Population growth is the increase in the number of people in a population or dispersed group. Actual global human population growth amounts to around 83 million annually, or 1.1% per year. The global population has grown from 1 billion in 1800 to 8.1 billion in 2024. The UN projected population to keep growing, and estimates have put the total population at 8.6 billion by mid-2030, 9.8 billion by mid-2050 and 11.2 billion by 2100. However, some academics outside the UN have increasingly developed human population models that account for additional downward pressures on population growth; in such a scenario population would peak before 2100. Others have challenged many recent population projections as having underestimated population growth.
57-627: Herdern is a municipality in Frauenfeld District in the canton of Thurgau in Switzerland . Herdern is first mentioned in 1094 as Harderin . Originally it was under the authority of Ittingen . Until 1403 the local castle, Herden Castle, was home to the Bettler family. In 1501, the low court of Herdern was combined with the lands of Herden Castle to form the Herrschaft of Herdern. In 1601
114-471: A certain time in Switzerland are also allowed to participate in municipal politics. As at the cantonal and federal level, citizens enjoy political rights, including direct democratic ones, in their municipality. Municipalities are financed through direct taxes (such as income tax ), with rates varying more or less within a framework set by the canton (see Taxation in Switzerland ). As among the cantons, there
171-460: A couple without children, and 557 (or 58.3%) who were part of a couple with children. There were 58 (or 6.1%) people who lived in single parent home, while there are 14 persons who were adult children living with one or both parents, 4 persons who lived in a household made up of relatives, 10 who lived in a household made up of unrelated persons, and 81 who are either institutionalized or live in another type of collective housing. The vacancy rate for
228-451: A sufficiently small time interval: A positive growth rate indicates that the population is increasing, while a negative growth rate indicates that the population is decreasing. A growth ratio of zero indicates that there were the same number of individuals at the beginning and end of the period—a growth rate may be zero even when there are significant changes in the birth rates , death rates , immigration rates , and age distribution between
285-414: Is 12.5 kindergartners. Of the children in kindergarten, 15 or 60.0% are female, 1 or 4.0% are not Swiss citizens and 1 or 4.0% do not speak German natively. The lower and upper primary levels begin at about age 5-6 and lasts for 6 years. There are 49 children in who are at the lower primary level and 52 children in the upper primary level. The average class size in the primary school is 16.83 students. At
342-561: Is 80 people or 8.2% of the population are between 60 and 69 years old, 41 people or 4.2% are between 70 and 79, there are 38 people or 3.9% who are between 80 and 89, and there are 3 people or 0.3% who are 90 and older. As of 2000 the average number of residents per living room was 0.56 which is about equal to the cantonal average of 0.56 per room. In this case, a room is defined as space of a housing unit of at least 4 m (43 sq ft) as normal bedrooms, dining rooms, living rooms, kitchens and habitable cellars and attics. About 66.8% of
399-469: Is a separable differential equation, the population may be solved explicitly, producing a logistic function : where A = K − P 0 P 0 {\displaystyle A={\frac {K-P_{0}}{P_{0}}}} and P 0 {\displaystyle P_{0}} is the initial population at time 0. The world population growth rate peaked in 1963 at 2.2% per year and subsequently declined. In 2017,
456-449: Is a tax transfer among the municipalities to balance various levels of tax income. Switzerland has a relatively high number of small municipalities, with a population of 1,000 or less, especially in rural areas. Because of the increasing difficulty in providing professional government services and in finding volunteers for political offices in small municipalities, the cantons tend to encourage voluntary mergers of municipalities. This led to
513-530: Is designated as part of the Inventory of Swiss Heritage Sites . As of 2007, Herdern had an unemployment rate of 1.5%. As of 2005, there were 107 people employed in the primary economic sector and about 40 businesses involved in this sector. 35 people are employed in the secondary sector and there are 11 businesses in this sector. 113 people are employed in the tertiary sector , with 23 businesses in this sector. In 2000 there were 649 workers who lived in
570-452: Is in direct contrast with less developed contexts, where population growth is still happening. Globally, the rate of population growth has declined from a peak of 2.2% per year in 1963. Population growth alongside increased consumption is a driver of environmental concerns , such as biodiversity loss and climate change , due to overexploitation of natural resources for human development . International policy focused on mitigating
627-402: Is the rate at which the number of individuals in a population increases in a given time period, expressed as a fraction of the initial population. Specifically, population growth rate refers to the change in population over a unit time period, often expressed as a percentage of the number of individuals in the population at the beginning of that period. This can be written as the formula, valid for
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#1732901739675684-492: Is used for orchards or vine crops. Of the unproductive areas, and . The municipality is located in Frauenfeld District. The current municipality was created in 1998 from the former Munizipalgemeinde (Municipal commune) and the former Orts bürgergemeinde of Herdern and the village of Lanzenneunforn. Herdern has a population (as of December 2020) of 1,117. As of 2008, 7.6% of the population are foreign nationals. Over
741-798: The Bürgerrecht (citizenship), regardless of where they were born or where they may currently live. Instead of the place of birth , Swiss legal documents, e.g. passports, contain the Bürgerort (place of citizenship, or place of origin ). The Bürgergemeinde also often holds and administers the common property in the village for the members of the community. Each canton determines the powers and responsibilities of its municipalities. These may include providing local government services such as education, medical and social services, public transportation, and tax collection. The degree of centralization varies from one canton to another. The federal constitution protects
798-506: The DRC are witnessing a similar growth in population. The following table gives some example countries or territories: Human population projections are attempts to extrapolate how human populations will change in the future. These projections are an important input to forecasts of the population's impact on this planet and humanity's future well-being. Models of population growth take trends in human development and apply projections into
855-495: The Swiss Reformed Church . Of the rest of the population, and there are 40 individuals (or about 4.19% of the population) who belong to another Christian church. There were 23 (or about 2.41% of the population) who are Islamic . 71 (or about 7.43% of the population) belong to no church, are agnostic or atheist , and 34 individuals (or about 3.56% of the population) did not answer the question. In Herdern about 72.5% of
912-516: The global population to increase from 1.6 billion in 1900 to 7.7 billion by November 2019. Some of the reasons for the "Modern Rise of Population" were particularly investigated by the British health scientist Thomas McKeown (1912–1988). In his publications, McKeown challenged four theories about the population growth: Although the McKeown thesis has been heavily disputed, recent studies have confirmed
969-511: The industrial revolution . The most significant increase in the world's population has been since the 1950s, mainly due to medical advancements and increases in agricultural productivity . Due to its dramatic impact on the human ability to grow food, the Haber process , named after one of its inventors, the German chemist Fritz Haber , served as the "detonator of the population explosion ", enabling
1026-497: The population is declining , especially in Eastern Europe , mainly due to low fertility rates , high death rates and emigration . In Southern Africa , growth is slowing due to the high number of AIDS-related deaths. Some Western Europe countries might also experience population decline. Japan's population began decreasing in 2005. The United Nations Population Division projects world population to reach 11.2 billion by
1083-454: The UN projected that the world population, 8 billion as of 2023 , would peak around the year 2086 at about 10.4 billion, and then start a slow decline, assuming a continuing decrease in the global average fertility rate from 2.5 births per woman during the 2015–2020 period to 1.8 by the year 2100 (the medium-variant projection). The UN’s 2024 report has revised the peak population to 10.3 billion in
1140-594: The Work Camps of Herdern). They opened the castle in 1895 as a home for unemployed workers, ex-prisoners and vagrants. In 1995 the castle became a home for those with psychological and social problems (it had 75 inhabitants in 2003). The parish boundaries were very similar to the Herrschaft lands. In 1331 the church rights and taxes went to the monastery at Kalchrain . When the Protestant Reformation entered
1197-403: The autonomy of municipalities within the framework set out by cantonal law. Municipalities are generally governed by an executive council headed by a president or mayor . Legislative authority is exercised by a town meeting of all citizens, or by a municipal parliament, depending on the size of the municipality, and on cantonal and municipal law. In some cantons, foreigners who have lived for
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#17329017396751254-425: The built up area, industrial buildings made up 2.1% of the total area while housing and buildings made up 0.1% and transportation infrastructure made up 0.1%. while parks, green belts and sports fields made up 2.2%. Out of the forested land, 26.6% of the total land area is heavily forested and 1.5% is covered with orchards or small clusters of trees. Of the agricultural land, 63.9% is used for growing crops, while 3.4%
1311-535: The castle was expanded and renovated. In 1683 the castle and Herrschaft came to the monastery of St. Urban in Lucerne . The low court was managed until 1798 by the monastery's resident governor who occupied the castle. The castle belonged to the monastery of St. Urban until 1848 when it was sold. After passing through several owners it was acquired by the Verein Arbeiterkolonien Herden (Association of
1368-476: The end of the Black Death , around the year 1350. A mix of technological advancement that improved agricultural productivity and sanitation and medical advancement that reduced mortality increased population growth. In some geographies, this has slowed through the process called the demographic transition , where many nations with high standards of living have seen a significant slowing of population growth. This
1425-522: The end of the 21st century. The Institute for Health Metrics and Evaluation projects that the global population will peak in 2064 at 9.73 billion and decline to 8.89 billion in 2100. A 2014 study in Science concludes that the global population will reach 11 billion by 2100, with a 70% chance of continued growth into the 22nd century. The German Foundation for World Population reported in December 2019 that
1482-477: The estimated annual growth rate was 1.1%. The CIA World Factbook gives the world annual birthrate, mortality rate, and growth rate as 1.86%, 0.78%, and 1.08% respectively. The last 100 years have seen a massive fourfold increase in the population, due to medical advances , lower mortality rates, and an increase in agricultural productivity made possible by the Green Revolution . The annual increase in
1539-697: The exercise of political rights for everyone except the members of the Bürgergemeinde . In the Regeneration era (1830–1848), the liberal revolutions of the common people helped to restore some rights again in a few cantons. In other cantons, the Bürgergemeinden were able to maintain power as political communities. In the city of Zürich it was not until the Municipal Act of 1866 that the political municipality came back into existence. The relationship between
1596-607: The future. These models use trend-based-assumptions about how populations will respond to economic, social and technological forces to understand how they will affect fertility and mortality , and thus population growth. The 2022 projections from the United Nations Population Division (chart #1) show that annual world population growth peaked at 2.3% per year in 1963, has since dropped to 0.9% in 2023, equivalent to about 74 million people each year, and could drop even further to minus 0.1% by 2100. Based on this,
1653-561: The global human population grows by 2.6 people every second, and could reach 8 billion by 2023. According to United Nations population statistics, the world population grew by 30%, or 1.6 billion humans, between 1990 and 2010. In number of people the increase was highest in India (350 million) and China (196 million). Population growth rate was among highest in the United Arab Emirates (315%) and Qatar (271%). Many of
1710-531: The impact of human population growth is concentrated in the Sustainable Development Goals which seeks to improve the standard of living globally while reducing the impact of society on the environment while advancing human well-being. World population has been rising continuously since the end of the Black Death , around the year 1350. Population began growing rapidly in the Western world during
1767-694: The last 10 years (1997–2007) the population has changed at a rate of 5.9%. Most of the population (as of 2000) speaks German (95.5%), with Albanian being second most common ( 1.7%) and French being third ( 0.6%). As of 2008, the gender distribution of the population was 49.7% male and 50.3% female. The population was made up of 427 Swiss men (45.5% of the population), and 40 (4.3%) non-Swiss men. There were 441 Swiss women (47.0%), and 31 (3.3%) non-Swiss women. In 2008 there were 11 live births to Swiss citizens and 1 birth to non-Swiss citizens, and in same time span there were 5 deaths of Swiss citizens and 1 non-Swiss citizen death. Ignoring immigration and emigration,
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1824-507: The lower primary level, there are 22 children or 44.9% of the total population who are female, and 3 or 6.1% do not speak German natively. In the upper primary level, there are 28 or 53.8% who are female, 3 or 5.8% are not Swiss citizens and 4 or 7.7% do not speak German natively. Municipalities of Switzerland Municipalities ( German : Gemeinden , Einwohnergemeinden or politische Gemeinden ; French : communes ; Italian : comuni ; Romansh : vischnancas ) are
1881-646: The lowest level of administrative division in Switzerland. Each municipality is part of one of the Swiss cantons , which form the Swiss Confederation . In most cantons, municipalities are also part of districts or other sub-cantonal administrative divisions. There are 2,131 municipalities as of January 2024 . Their populations range between several hundred thousand ( Zürich ), and a few dozen people ( Kammersrohr , Bister ), and their territory between 0.32 km² ( Rivaz ) and 439 km² ( Scuol ). The beginnings of
1938-567: The modern municipality system date back to the Helvetic Republic . Under the Old Swiss Confederacy , citizenship was granted by each town and village to only residents. These citizens enjoyed access to community property and in some cases additional protection under the law. Additionally, the urban towns and the rural villages had differing rights and laws. The creation of a uniform Swiss citizenship, which applied equally for citizens of
1995-462: The municipalities under cantonal or federal law. Municipalities are numbered by the Swiss Federal Office for Statistics (see Community Identification Number#Switzerland ). One or more postal codes (PLZ/NPA) can by assigned to a municipality or shared with other municipalities. Between 2011 and 2021 nine of the smallest municipalities merged into others as part of the effort to eliminate
2052-449: The municipality, in 2008, was 1.12%. As of 2007, the construction rate of new housing units was 11 new units per 1000 residents. In 2000 there were 327 apartments in the municipality. The most common apartment size was the 6 room apartment of which there were 112, and there were 3 single room apartments. In the 2007 federal election the most popular party was the SVP which received 43.22% of
2109-424: The municipality. Of these, 295 or about 45.5% of the residents worked outside Herdern while 93 people commuted into the municipality for work. There were a total of 447 jobs (of at least 6 hours per week) in the municipality. Of the working population, 7.5% used public transportation to get to work, and 47.3% used a private car. From the 2000 census, 395 or 41.4% were Roman Catholic , while 392 or 41.0% belonged to
2166-671: The number of living humans peaked at 88.0 million in 1989, then slowly declined to 73.9 million in 2003, after which it rose again to 75.2 million in 2006. In 2017, the human population increased by 83 million. Generally, developed nations have seen a decline in their growth rates in recent decades, though annual growth rates remain above 2% in some countries of the Middle East and Sub-Saharan Africa , and also in South Asia , Southeast Asia , and Latin America . In some countries
2223-436: The number of municipalities dropping by 384 between the end of 2010 and the beginning of 2019. Some municipalities designate themselves as "city" ( ville or Stadt ) or as "village" ( Dorf ). These designations result from tradition or local preference – for example, several small municipalities designated as cities held city rights in medieval times – and normally do not impact the legal or political rights or obligations of
2280-525: The old towns and their tenants and servants, led to conflict. The wealthier villagers and urban citizens held rights to forests, common land and other municipal property which they did not want to share with the "new citizens", who were generally poor. The compromise solution, which was written into the municipal laws of the Helvetic Republic, is still valid today. Two politically separate but often geographically similar organizations were created. The first,
2337-408: The political municipality and the Bürgergemeinde was often dominated by the latter's ownership of community property. Often the administration and profit from the property were totally held by the Bürgergemeinden , leaving the political municipality dependent on the Bürgergemeinde for money and use of the property. It was not until the political municipality acquired rights over property that served
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2394-447: The political voting and electoral body rights from the Bürgergemeinde . In the cities, the percentage of members in the Bürgergemeinde in the population was reduced as a result of increasing emigration to the cities. This led to the Bürgergemeinde losing its former importance to a large extent. However, the Bürgergemeinde has remained, and it includes all individuals who are citizens of the Bürgergemeinde , usually by having inherited
2451-482: The population (between age 25–64) have completed either non-mandatory upper secondary education or additional higher education (either university or a Fachhochschule ). Herdern is home to the Herdern-Dettighofen primary school district . In the primary school district there are 126 students who are in kindergarten or the primary level. There are 25 children in the kindergarten , and the average class size
2508-439: The population has reached its carrying capacity , it will stabilize and the exponential curve will level off towards the carrying capacity, which is usually when a population has depleted most its natural resources . In the world human population, growth may be said to have been following a linear trend throughout the last few decades. The growth of a population can often be modelled by the logistic equation where As it
2565-436: The population of Swiss citizens increased by 6 while the foreign population remained the same. There were 3 Swiss men who emigrated from Switzerland to another country, 1 Swiss woman who emigrated from Switzerland to another country, 7 non-Swiss men who emigrated from Switzerland to another country and 1 non-Swiss woman who emigrated from Switzerland to another country. The total Swiss population change in 2008 (from all sources)
2622-498: The public (such as schools, fire stations, etc.) and taxes, that they obtained full independence. For example, in the city of Bern, it was not until after the property division of 1852 that the political municipality had the right to levy taxes. It was not until the Federal Constitution of 1874 that all Swiss citizens were granted equal political rights on local and Federal levels. This revised constitution finally removed all
2679-434: The smallest communities. Only Bister has not merged into a new municipality although the smallest municipality is now Kammersrohr with a population of just 32. In addition to the municipalities as basic territorial political subdivisions, a number of other local subdivisions exist in several cantons. These include: Population growth#Population growth rate The world human population has been growing since
2736-659: The so-called municipality, was a political community formed by election and its voting body consists of all resident citizens. However, the community land and property remained with the former local citizens who were gathered together into the Bürgergemeinde /bourgeoisie. During the Mediation era (1803–1814), and especially during the Restoration era (1814–1830), many of the gains toward uniform citizenship were lost. Many political municipalities were abolished and limits were placed on
2793-534: The total households were owner occupied, or in other words did not pay rent (though they may have a mortgage or a rent-to-own agreement). As of 2000, there were 305 private households in the municipality, and an average of 2.9 persons per household. In 2000 there were 153 single family homes (or 86.4% of the total) out of a total of 177 inhabited buildings. There were 16 two family buildings (9.0%), 2 three family buildings (1.1%) and 6 multi-family buildings (or 3.4%). There were 160 (or 16.8%) persons who were part of
2850-411: The two times. A related measure is the net reproduction rate . In the absence of migration, a net reproduction rate of more than 1 indicates that the population of females is increasing, while a net reproduction rate less than one ( sub-replacement fertility ) indicates that the population of females is decreasing. Most populations do not grow exponentially, rather they follow a logistic model . Once
2907-406: The value of his ideas. His work is pivotal for present day thinking about population growth, birth control, public health and medical care. McKeown had a major influence on many population researchers, such as health economists and Nobel prize winners Robert W. Fogel (1993) and Angus Deaton (2015). The latter considered McKeown as "the founder of social medicine ". The "population growth rate"
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#17329017396752964-494: The village in 1529, the local nobility remained by the old religion, and in 1533 Kalchrain sent a priest to support the nobility. The parish remained Catholic . Until the 19th century the major sources of income in Herdern were grain, wine and fruit production. These remained important even after a cloth factory and a lignite mine opened. Towards the end of the 19th century, livestock production and dairy farming began to move into
3021-424: The village. Herdern has an area, as of 2009, of 13.67 square kilometers (5.28 sq mi). Of this area, 9.21 km (3.56 sq mi) or 67.4% is used for agricultural purposes, while 3.84 km (1.48 sq mi) or 28.1% is forested. Of the rest of the land, 0.61 km (0.24 sq mi) or 4.5% is settled (buildings or roads) and 0.02 km (4.9 acres) or 0.1% is unproductive land. Of
3078-533: The vote. The next three most popular parties were the CVP (21.41%), the FDP (11.13%) and the SP (9.35%). In the federal election, a total of 388 votes were cast, and the voter turnout was 57.7%. The historical population is given in the following table: Schloss Liebenfels (Liebenfels Castle) is listed as a Swiss heritage site of national significance . The area around Liebenfels
3135-680: The world's countries, including many in Sub-Saharan Africa , the Middle East , South Asia and South East Asia , have seen a sharp rise in population since the end of the Cold War . The fear is that high population numbers are putting further strain on natural resources, food supplies, fuel supplies, employment, housing, etc. in some of the less fortunate countries. For example, the population of Chad has ultimately grown from 6,279,921 in 1993 to 10,329,208 in 2009, further straining its resources. Vietnam , Mexico , Nigeria , Egypt , Ethiopia , and
3192-572: The year 2084. However, estimates outside of the United Nations have put forward alternative models based on additional downward pressure on fertility (such as successful implementation of education and family planning goals in the UN's Sustainable Development Goals ) which could result in peak population during the 2060–2070 period rather than later. Even though the global fertility rate continues to fall, chart #2 shows that because of population momentum
3249-577: Was an increase of 25 and the non-Swiss population change was an increase of 3 people. This represents a population growth rate of 3.1%. The age distribution, as of 2009, in Herdern is; 111 children or 11.3% of the population are between 0 and 9 years old and 139 teenagers or 14.2% are between 10 and 19. Of the adult population, 107 people or 10.9% of the population are between 20 and 29 years old. 121 people or 12.3% are between 30 and 39, 199 people or 20.3% are between 40 and 49, and 142 people or 14.5% are between 50 and 59. The senior population distribution
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