Thema
United States
Journal Article
63
Developed Countries
58
Estimation Technics
58
Population Forecast
58
Americas
57
North America
57
Northern America
57
Research Methodology
56
Population
45
Demographic Factors
42
Population Dynamics
38
Forecasts and trends
34
Models, Theoretical
25
Forecasting
24
Population Projection
24
Developing Countries
22
Economic Factors
22
Population Characteristics
21
Hospitals
18
Studies
16
Measurement
15
Migration
15
Age Factors
14
Methodological Studies
14
USA
14
Error Sources
13
Fertility
13
Comparative Studies
12
Comparative Study
12
Evaluation
12
Mortality
12
Socioeconomic Factors
12
Statistics
11
Mathematical Model
10
Medical care, Cost of
10
China
9
Geographic Factors
9
Medical care
9
Prognose
9
Analysis
8
Economic forecasting
8
Fertility Measurements
8
Internationale Politik
8
Macroeconomic Factors
8
Population Growth
8
Außenpolitik
7
Economic Model
7
Economic aspects
7
Entwicklung
7
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