Thailand 2019 Total Population (Millions)

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Thailand 2019 Total population (millions) ...... 69.6 Percentage of population under age 15...... 16.8 Percentage of population aged 15-24...... 13.4 Percentage of population aged 25-64...... 57.4 Percentage of population aged 65+...... 12.4 Potential support ratio (persons 25-64 per 65+) ..... 4.6 Annual rate of population change (percentage)...... 0.3 Crude birth rate per 1,000 population...... 10.2 Total fertility (live births per woman)...... 1.51 Crude death rate per 1,000 population...... 7.8 Infant mortality (1q0) per 1,000 live births ...... 7 Under-five mortality (5q0) per 1,000 live births .... 9 Life expectancy at birth (years) ...... 77.2 Life Expectancy at age 65 (years)...... 19.1

Medium-variant projections for 2020-2100 are shown as thin coloured lines, and uncertainty is shown in lighter shades for 95 per cent prediction intervals. United Nations, Department of Economic and Social Affairs, Population Division World Population Prospects 2019, Volume II: Demographic Profiles 3 2 3 93 — 8.1 0.4 9.1 1.2 106 -0.7 15.6 88.1 86.0 90.3 25.3 1.70 31.0 52.3 12.7 43.1 35.1 50.6 2100 1 897 3 646 5 838 4 192 132.0 46 016 19 838 16 147 - 1 749 2095-2100 3 3 93 — 7.7 0.3 8.9 1.3 106 -0.7 15.4 85.3 83.2 87.5 23.5 1.63 29.9 52.6 12.2 44.6 34.4 47.2 2075 2 176 4 337 6 717 4 892 124.3 55 190 24 602 18 979 - 2 161 2070-2075 4 5 93 — 7.8 0.3 9.2 1.7 106 -0.5 13.2 82.1 79.4 84.6 21.6 1.51 28.5 49.7 12.3 48.8 29.6 44.1 2050 2 597 4 422 8 129 6 057 104.7 65 940 32 208 19 546 - 1 825 2045-2050 6 7 93 — 9.1 8.9 0.3 2.8 0.0 106 - 77 11.3 78.6 75.2 82.1 19.8 1.42 27.6 43.7 14.2 54.9 19.6 82.3 46.5 2030 3 118 3 195 7 939 70 346 10 014 38 597 13 797 2025-2030 8 9 97 — 7.6 0.3 4.4 0.3 106 988 76.8 73.1 80.6 18.9 10.5 1.53 27.3 40.1 16.6 13.2 57.3 13.0 74.4 51.8 2020 3 623 2 635 9 186 9 045 11 554 69 800 40 015 2015-2020 — 10 12 5.4 0.5 7.3 0.5 106 167 11.2 18.0 14.0 57.4 10.6 74.3 55.8 75.2 71.6 78.9 18.1 1.53 27.2 37.9 2015 7 285 3 819 2 467 1 352 9 649 68 715 12 351 39 429 2010-2015 59 13 16 0.2 8.9 6.5 0.5 7.2 129 106 19.2 14.3 57.6 73.6 58.2 73.2 69.8 76.6 17.1 12.4 1.56 27.1 35.5 2010 2 373 1 720 5 978 4 093 9 620 67 195 12 891 38 706 2005-2010 91 17 20 1.2 7.8 7.1 0.8 7.0 374 106 21.3 15.9 55.1 81.5 67.5 71.2 67.7 74.9 16.8 13.6 1.60 27.1 32.8 2005 2 261 2 090 5 072 4 350 65 416 13 924 10 385 36 034 2000-2005 61 21 25 2.3 6.5 8.0 1.1 6.6 716 106 24.0 17.1 52.4 90.9 78.4 70.3 66.5 74.3 16.5 15.7 1.77 27.0 30.2 2000 4 112 2 031 2 770 4 801 62 953 15 097 10 763 32 982 1995-2000 42 33 42 1.9 4.5 9.8 1.7 5.6 504 105 30.2 21.2 44.1 69.8 66.9 72.7 15.9 20.5 2.30 27.6 24.3 1990 116.7 1 529 4 027 2 555 127.0 5 556 11 998 56 558 17 088 24 917 1985-1990 0 24 78 0.0 3.5 9.8 3.0 109 106 44.0 18.2 34.3 10.9 58.2 55.9 60.6 13.7 40.4 5.99 30.7 18.0 1970 1 877 5 062 1 291 191.6 181.4 6 939 6 718 36 885 16 226 12 650 1965-1970 0 26 0.0 3.3 2.7 105 672 127 189 42.5 6.14 30.8 18.6 42.1 20.1 34.5 10.6 15.5 50.8 48.3 53.6 13.9 1950 4 718 1 718 3 001 8 726 4 168 7 144 189.9 180.5 20 710 1950-1955 only for fast growing populations with growth rates exceeding 0.5 per cent. Age that divides the populationThe in total two dependency parts ratio of is equalThe the size, child ratio that dependency of is, ratio the there is population areThe the aged as potential ratio 0-24 many support of and persons ratio the that with is population aged agesThe the aged 65+ above population ratio 0-24 to the doubling of to the median time the the population as corresponds population population aged there to aged aged 25-64. are the 25-64 25-64. They with number to They are ages of the are presented below years population presented as the required aged as number median. for 65 number of the years of dependants total or dependants per population over. per 100 They to 100 persons are double persons of presented in of working as size working age number if age (25-64). of the (25-64). dependants annual per rate 100 of persons population of change age would 65 remain years constant. or Doubling over. time is computed Net migration rate (per 1,000) ...... Sex ratio at birth (males perMean 100 age females) of ...... childbearing (years) ...... Number of births (thousands) ...... Number of deaths (thousands) ...... Births minus deaths (thousands) ...... Net number of migrants (thousands)...... Life expectancy at birth (years) ...... Male life expectancy at birth (years)Female ...... life expectancy at birth (years)...... Life expectancy at age 65 (years) ...... Crude birth rate per 1,000 population...... Total fertility (live births per woman)...... Annual rate of population change (percentage)...... Population doubling time (years) (e) ...... Crude death rate per 1,000 population...... Infant mortality rate (1q0) per 1,000Under-five live mortality births (5q0) ...... per 1,000 live births ...... Percentage of population aged 25-64...... Percentage of population aged 65+...... Total dependency ratio (b) ...... Child dependency ratio (c)...... Potential support ratio (d) ...... Median age (years) (a) ...... Population under age 15 (thousands)...... Population aged 15-24 (thousands)...... Population aged 25-64 (thousands)...... Population aged 65+ (thousands)...... Percentage of population under age 15...... Percentage of population aged 15-24...... Total population (thousands) ...... a b c d e Births and deaths International migration Fertility Rates of population change Mortality Dependency ratios (per 100) Thailand Population

United Nations, Department of Economic and Social Affairs, Population Division 4 World Population Prospects 2019, Volume II: Demographic Profiles Thailand Population: Total population and distribution by age and sex estimated to be consistent with the population by age and sex of the (a) 1960, 1970, 1980, 1990, 2000, 2010 censuses; (b) 1955-1956 DES and 1995-1996, 2005-2006, 2015-2016 SPC survey estimates; and with estimates of the subsequent trends in fertility, mortality and international migration. In addition, the only total population for 1947 Census have been considered. Fertility: Total fertility rate and age pattern of fertility based on: (a) official estimates of age-specific fertility rates through 2016; (b) registered births classified by age of mother and the underlying female population by age through 2016; (c) adjusted for underregistration; (d) birth-histories data from the 1974-1975, 1975-1976, 1985-1986, 1989, 1991, 1995-1996 SPC and 1975 WFS and 1987 DHS; (e) births in the household in the preceding 12 (or 24) months classified by age of mother from the 1960, 1970 censuses and 1964-1967, 2005-2006, 2015-2016 SPC and 1969-1970, 1972-1973 LSSEDCT and 1975 WFS and 1978, 1981, 1984, 1996-1997 CPS and 2005-2006, 2012, 2015-2016 MICS and 2006 RHS; (f) adjusted fertility using Brass P/F ratio method (or variants) with data on children ever born and births in the preceding 12 (or 24/36) months, both classified by age of mother, from the 1960 Census; (g) adjusted fertility using Arriaga modified P/F ratio method with data on children ever born and births in the preceding 12 (or 24/36) months, both classified by age of mother, from the 1960, 1970 censuses and 1972-1973 LSSEDCT and 1975 WFS; (h) indirect estimates obtained using Mortara's method with data on children ever born by age of mother from the 1960 Census; (i) indirect estimates based on the increment of cohort parities between successive censuses or surveys such as the 1970 Census and 1974-1975 SPC; (j) indirect estimates obtained from the application of the own-children method of fertility estimation to the 1970 Census; (k) International estimates considered up to 2017. Child Mortality: Under-five mortality based on: (a) direct estimates from births and deaths under-five calculated from full birth histories data from the 1974-1975, 1985-1986, 1989, 1995-1996, 2005-2006 SPC and 1975 WFS and 1987 DHS; (b) indirect estimates from data on children ever born and surviving from the 1970, 1980, 2000 censuses and 1979 NSFMFP and 1981, 1984, 1996-1997 CPS and 2005-2006, 2012 MICS; (c) International estimates used up to 2017. In addition, the (a) official estimates of infant and child mortality through 2016; (b) registered infant and child deaths through 2016; (c) adjusted for underregistration; (d) indirect estimates from data on children ever born and surviving from the 1990, 2010 censuses and 2015-2016 SPC have been considered. Overall Mortality: Life expectancy at birth and age pattern of mortality based on: (a) registered deaths by age and sex available through 2014; (b) adjusted for underregistration; (c) adult deaths adjusted for underregistration using the growth balance method; (d) adult deaths adjusted for underregistration using death distribution methods; (e) mortality rates for older ages were adjusted; (f) mortality rates were extrapolated using projection methods. In addition, the (a) official estimates through 2015; (b) adjusted for underreporting of infant and child deaths; (c) adult deaths adjusted for underregistration using the growth balance method; (d) adult deaths adjusted for underregistration using death distribution methods; (e) mortality rates for older ages were adjusted; (f) mortality rates were extrapolated using projection methods have been considered. Migration: International migration based on: (a) information on foreign-born populations from censuses and registers from major countries of destination; (b) information on the number of migrant workers or about labor migration; (c) estimates derived as the differences between overall population growth and natural increase; (d) UNHCR statistics on the number of refugees in the main countries of asylum.

United Nations, Department of Economic and Social Affairs, Population Division World Population Prospects 2019, Volume II: Demographic Profiles 5 Profile excerpt from the World Population Prospects 2019, Volume II: Demographic Profiles

This demographic profile displays key demographic indicators for selected periods or dates between 1950-2100, for the world, development groups, regions, subregions and countries or areas with more than 90,000 inhabitants in 2019. In all tables and figures, values for 1950-2020 are estimates and those thereafter are projections (medium variant, and lower and upper 95 per cent prediction intervals for figures). For each country or area, it also provides a brief description of the data sources and demographic methods that were used to derive the base-year estimates of population and components of demographic change (fertility, child, adult and overall mortality, international migration).

Further details about the respective data sources used for each country or area are available online interactively (https://population.un.org/wpp/DataSources/) with a tabular version of this information also available for download (https://population.un.org/wpp/Download/Metadata/). Further details about the methodology used to prepare the estimates and projections is explained in a companion report (World Population Prospects 2019: Methodology of the United Nations Population Estimates and Projections).

To depict the uncertainty of future demographic trends, the Population Division has developed probabilistic projections for all countries and areas of the world. It should be stressed that making projections to 2100 is subject to a high degree of uncertainty, especially at the country level. In that regard, users are invited to focus not only on the outcomes of the medium variant, which for each country corresponds to the median of several thousand projected trajectories of specific demographic components, but also to the associated prediction intervals that provide an assessment of the uncertainty inherent in such projections. Detailed information on the 80 per cent and 95 per cent uncertainty bounds for different components at the country level is available on the website of the Population Division (see https://population.un.org/wpp/ for graphs or download data files for probabilistic results).

The detailed results of the 2019 Revision are made available through a variety of media. The website of the Population Division provides access to an extended set of data organized in Excel and CSV files (https://population.un.org/wpp/Download/) as well as to an interactive database that enables users to obtain specific information on selected countries or regions (https://population.un.org/wpp/DataQuery/).

Notes

The designations employed in this publication and the material presented in it do not imply the expression of any opinion whatsoever on the part of the Secretariat of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. The term “country” as used in this publication also refers, as appropriate, to territories or areas. For country-specific notes, please refer to: https://population.un.org/wpp/Download/Metadata/Documentation/.

Countries or areas have been aggregated in six continental regions: Africa, Asia, Europe, Latin America and the Caribbean, Northern America, and Oceania. Further information on continental regions is available from https://unstats.un.org/unsd/methodology/m49/. Countries and areas are also grouped into geographic regions based on the classification being used to track progress towards the Sustainable Development Goals of the United Nations (see: https://unstats.un.org/sdgs/indicators/regional-groups/). Further details about the various classifications used to group countries and areas for statistical purposes into major aggregates in this publication are available online at: https://population.un.org/wpp/DefinitionOfRegions/.

The figures presented are from the medium variant of the World Population Prospects 2019, the official United Nations population estimates and projections prepared by the United Nations Population Division. Data are also available in digital form and can be consulted at the Population Division’s web site at https://www.unpopulation.org.

Suggested citation: United Nations, Department of Economic and Social Affairs, Population Division (2019). World Population Prospects 2019, Volume II: Demographic Profiles (ST/ESA/SER.A/427).

United Nations, Department of Economic and Social Affairs, Population Division 6 World Population Prospects 2019, Volume II: Demographic Profiles