Demographic changes affected the language frontier ; the proportion of Welsh speakers in the Rhondda valley fell from 64 per cent in 1901 to 55 per cent ten years later, and similar trends were evident elsewhere in South Wales.

Demographic trends ( 2006 ): County population has decreased from a high in 1970.

Demographic trends describe the historical changes in demographics in a population over time ( for example, the average age of a population may increase or decrease over time ).

Demographic trends following the 1954 Brown v. Board of Education Supreme Court decision revealed a pattern later characterized as white flight, the hypersegregation of African Americans and European Americans, as the latter moved to the suburbs.

< center > Demographic trends since 1793

Demographic trends boosted the Democratis totals, as the German and Irish Catholic immigrants were Democrats and outnumbered the English and Scandinavian Republicans.

For a detailed overview of these trends, see the Demographic history of Montenegro.

Demographic trends guru Harry S. Dent is making the rounds again, and touting his latest book, The Great Depression Ahead: How to Prosper in the Crash Following the Greatest Boom in History ...."

Demographic analysis can be applied to whole societies or to groups defined by criteria such as education, nationality, religion and ethnicity.

Population institutions are part of the Cicred ( International Committee for Coordination of Demographic Research ) network while most individual scientists engaged in demographic research are members of the International Union for the Scientific Study of Population, or a national association such as the Population Association of America in the United States, or affiliates of the Federation of Canadian Demographers in Canada.

Many countries such as China, Brazil and Thailand have passed through the Demographic Transition Model ( DTM ) very quickly due to fast social and economic change.

Demographic segmentation consists of dividing the market into groups based on variables such as age, gender, family size, income, occupation, education, religion, race and nationality.

For example, health databases such as the Demographic and Health Survey typically repeat some questions for each child of a given parent ( perhaps up to a fixed maximum number of children ).

Demographic stochasticity refers to the variability of population growth rates arising from related random events such as birth rates, death rates, sex ratio, and dispersal.

In his political career, Mr. Pannella co-founded a series of organizations such as the Italian league for divorce, the League for objection of conscience, the League for the abrogation of the Agreement between the Catholic Church and the Italian State ( Concordato ), the Centre of legal initiative “ Pietro Calamandrei ”, as well as the Italian Association for Demographic Education ( AIED ).

Demographic variables such as income and education were not related to experiences of racism.

Sections such as the " Demographic " and " Other Points of Interest " can provide additional insight on how this is done

Demographic and economic information is permanently updated with off-year censuses, such as the Economic and Agricultural Censuses, and the sampled surveys published in Encuesta Permanente de Hogares ( Permanent Survey of Households ); which are delivered every 6 months.

Demographic growth took its toll of bad living conditions, epidemics of contagious diseases such as tuberculosis, and increased labour offer resulting in exploitation.

Demographic changes are not helping, with fewer people living and employed on the land or in small towns, the continued growth of the larger provincial centres, and, in some cases, the arrival of left-leaning " city refugees " in rural areas.

Demographic factors also contributed to upward pressure on prices, with the revival ( from around the third quarter of the 15th century ) of European population growth after the century of depopulation and demographic stagnation that had followed the Black Death.

Demographic growth remained high, although development slowed, because the city became peripheral, the Kreis being situated on post-war Germany's border with the Polish Corridor.

* Demographic transition — Zero population growth is achieved when the birth rate of a population equals in a situation where net migration is also zero

* Demographic phenomena ( natality, mortality, growth rates, etc.

Demographic growth of the city favoured the establishment of brothels.

Demographic growth was relatively slow.

Demographic changes, including an aging population and decrease in the birth rate have begun to affect the area's economic outlook.

According to a UN Demographic survey, Japan is expected to have 272, 000 centenarians by 2050.

The original Demographic Transition model has just four stages ; however, some theorists consider that a fifth stage is needed to represent countries that have sub-replacement fertility ( that is, below 2 children per woman ).

Demographic research tends to include immigrants from mainland China, Hong Kong, Macau, and Taiwan as well as overseas Chinese who have immigrated from South East Asia into the broadly-defined Chinese American category as both the governments of the Republic of China and the United States account for Taiwanese Americans as a subgroup of Chinese Americans.

Demographic factors have worked against Labor, as the growing Sefardi population, as well as the recent Russian-Jewish immigrants, have largely voted for other parties.

Demographic studies have indicated that in humans, fertility and intelligence tend to be negatively correlated — that is to say, the more intelligent, as measured by IQ, exhibit a lower total fertility rate than the less intelligent.

Demographic and cultural changes have decreased the attraction of young people to the Moorish Science Temple.

Demographic changes have also contributed in making Casey a fairly safe seat for the Liberal Party.

Demographic changes and the relative popularity of the sitting MP, Pat Farmer have allowed the Liberal Party to consolidate their position here in recent years.

He also set up the School of Statistics in 1928, and, in 1936, the Faculty of Statistical, Demographic and Actuarial Sciences.

The Demographic and Health Surveys carried out every five years show that women in Kenya wanted fewer children than those in Uganda and that in Uganda there was also a greater unmet need for contraception.

See also Demographic history of Romania

( See also Demographic history of Romania.

* Bocquet-Appel, Jean-Pierre, editor and Ofer Bar-Yosef, editor, The Neolithic Demographic Transition and its Consequences, Springer ( October 21, 2008 ), hardcover, 544 pages,, trade paperback and Kindle editions are also available.

Demographic changes in the 1960s and 1970s whittled down the overall Russian majority, but they also caused two nationalities ( the Kazakhs and Kirgiz ) to become minorities in their own republics at the time of the 1979 census, and considerably reduced the majority of the titular nationalities in other republics.

( 2006 ) also used data from Demographic and Health Surveys in Burkina Faso, Cameroon, Ghana, Kenya, Lesotho, and Malawi and from AIDS Indicator Surveys in Tanzania and Uganda to conduct his study.

Demographic evidence of the former mining community is also evident in both higher than average levels of unemployment, and a strong sense of community with residents knowing their neighbours and those that live around them.