Θέμα
Population
330
History
113
Demography
43
Economic conditions
40
Populism
40
Politics and government
35
Social conditions
32
Economic aspects
31
Population policy
31
Population biology
25
Emigration and immigration
24
Population aging
22
Population geography
22
Population forecasting
20
Animal populations
19
Human population genetics
19
Fertility, Human
17
Economic development
16
Social aspects
16
Birth control
15
Ecology
15
Older people
15
Population genetics
15
Government policy
13
Mathematical models
13
Environmental aspects
12
Population transfers
12
Bird populations
11
Migration, Internal
11
Population research
11
Research
11
Rural population
11
Aging
10
Biodiversity
10
Commerce
10
Migrations
10
Cities and towns
9
Indians of North America
9
Methodology
9
Mortality
9
Race relations
9
Age distribution (Demography)
8
Demographic transition
8
Ethnic relations
8
Health aspects
8
Anthropometry
7
Biotic communities
7
Birds
7
Colonies
7
Ethnology
7
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