2021-2070年日本人口预测报告（2023年修订版）（英）

Population Projections for Japan (2023 revision): 2021 to 2070 Appendix: Auxiliary Projections 2071 to 2120 Contents Key Messages (4) I Overview of the Population Projections for Japan (7) II Summary of the Projection Results (7) [Projection Results for Medium-, High-, and Low-Fertility (Medium-Mortality)] (7) 1. Trends in Total Population (7) 2. Trends in the Size and Composition of the Population by the Major Three Age Groups (8) 3. Trends in dependency ratio (9) 4. Changes in the Population Pyramid (10) [Projection Results for Medium-Fertility (High- and Low-Mortality)] (10) 1. Summary of Projection Results with High-Mortality Assumption (10) 2. Summary of Projection Results with Low-Mortality Assumption (10) [Projection Results for High- and Low-Fertility (High-, Low-Mortality)] (11) III Summary of the Method Used for Population Projections (11) 1. Base Population (11) 2. Assumptions for Fertility Rates and Sex Ratio at Birth (11) 3. Assumptions for Survival Rates (Future Life Table) (15) 4. Assumptions for International Migration Rates (Numbers) (16) 5. Long-range Auxiliary Projections, Projections for the Japanese Population, and Conditional Population Projections (17) Summary of Projection Results (medium-mortality projection) (19) Summary of Assumptions (20) IV Projection Results and Assumptions (23) ≪Projection Results for Medium-, High-, and Low-Fertility (Medium-Mortality)≫(23) ≪Projection Results for Medium-Fertility (Medium-, High-, and Low-Mortality)≫(35) ≪Comparison of Projection Results with Different Assumptions≫(41) ≪Assumptions≫(47) ≪Long-range Auxiliary Projections≫(55) ≪Projections for the Japanese Population and Fertility Assumptions≫(63) ≪Conditional Population Projections≫(71) Appendix Total Population, population by the three age groups: 1950-2020 (79) National Institute of Population and Social Security Research in Japan https://www.ipss.go.jp/index-e.asp List of Tables and Figures Summary of Projection Results (medium-mortality projection) (19) Summary of Fertility Assumptions (20) Summary of Mortality Assumptions (21) Summary of International Migration Assumptions (21) [Projection Results for Medium-, High-, and Low-Fertility (Medium-Mortality)] Table 1-1 Total population, population by the major three age groups (under 15, 15-64, and 65 and over), and age composition: Medium-fertility (medium-mortality) projection (25) Table 1-2 Total population, population by the major three age groups (under 15, 15-64, and 65 and over), and age composition: High-fertility (medium-mortality) projection (26) Table 1-3 Total population, population by the major three age groups (under 15, 15-64, and 65 and over), and age composition: Low-fertility (medium-mortality) projection (27) Table 1-4 Mean age and dependency ratio (total population): Medium-, high-, and low-fertility (medium-mortality) projections (28) Table 1-5 Number and rate of births, deaths and natural increase (total population): Medium-fertility (medium-mor