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🇹🇴 Total Fertility Rate of Tonga

3.10
Total Fertility Rate
23.04
Crude Birth Rate
2,400
Overall Births

The current population fertility rate of Tonga is 3.0997 births per woman. A -0.95% decrease from 2023, when the fertility rate was 3.1295 births per woman. In the future, Tonga's fertility rate is projected to decrease to 1.9312 childern born per woman, by the year 2100. A total decrease of the fertility rate of Tonga's by -37.7% from today's standard.

Historic Total Fertility Rate of Tonga (1950-2024)

Tonga has seen a decrease of the population fertility rate since the 1950's. From 6.6987 to 3.0997 births per woman, a decrease of -53.73% in total.

Year Total Fertility Rate (births per woman) Crude Birth Rate Overall Births
1950 6.6987 43.262 2,148
1951 6.6902 43.647 2,224
1952 6.6916 44.026 2,305
1953 6.7021 44.389 2,392
1954 6.6956 44.566 2,474
1955 6.6831 44.622 2,555
1956 6.6631 44.563 2,634
1957 6.6525 44.625 2,717
1958 6.6478 44.524 2,787
1959 6.6438 44.399 2,857
1960 6.6508 44.298 2,931
1961 6.6104 43.858 2,984
1962 6.5711 43.419 3,037
1963 6.5172 42.896 3,084
1964 6.4638 42.38 3,131
1965 6.4078 41.873 3,179
1966 6.3486 41.371 3,227
1967 6.2935 41.048 3,276
1968 6.2256 40.305 3,279
1969 6.1665 39.635 3,285
1970 6.0713 38.758 3,271
1971 5.9579 37.795 3,246
1972 5.8616 36.996 3,232
1973 5.8009 36.501 3,241
1974 5.765 36.047 3,269
1975 5.7458 35.806 3,331
1976 5.7261 35.62 3,395
1977 5.6993 35.736 3,457
1978 5.6836 35.986 3,498
1979 5.6474 36.101 3,521
1980 5.5989 36.061 3,526
1981 5.5544 36.003 3,525
1982 5.4966 35.803 3,508
1983 5.4497 35.617 3,490
1984 5.4071 35.392 3,468
1985 5.3444 34.924 3,422
1986 5.2727 34.355 3,367
1987 5.1925 33.677 3,313
1988 5.1029 33.542 3,320
1989 5.0056 33.362 3,316
1990 4.9294 33.288 3,319
1991 4.8521 33.174 3,314
1992 4.7874 32.983 3,299
1993 4.7256 32.659 3,269
1994 4.6578 32.173 3,223
1995 4.5634 31.432 3,150
1996 4.4551 30.58 3,066
1997 4.3776 29.847 3,005
1998 4.3085 29.749 3,016
1999 4.2281 29.638 3,024
2000 4.159 29.396 3,018
2001 4.1267 29.364 3,033
2002 4.1375 29.549 3,069
2003 4.175 29.887 3,122
2004 4.1861 29.997 3,152
2005 4.1951 30.013 3,172
2006 4.1411 29.519 3,137
2007 4.0858 29.038 3,099
2008 4.0124 28.717 3,073
2009 3.9461 28.398 3,044
2010 3.8794 28.008 3,008
2011 3.8287 27.656 2,975
2012 3.7684 27.277 2,931
2013 3.6962 26.866 2,877
2014 3.619 26.391 2,814
2015 3.5404 25.834 2,741
2016 3.4633 25.229 2,662
2017 3.3879 24.514 2,583
2018 3.3257 24.144 2,549
2019 3.2741 23.849 2,520
2020 3.2337 23.634 2,498
2021 3.198 23.507 2,480
2022 3.1712 23.35 2,453
2023 3.1295 23.117 2,418
2024 3.0997 23.04 2,400

Future Total Fertility Rate of Tonga (2024-2100)

Tonga's negative downward trend in fertility rate is set to decrease even further in the future. From 3.0997 to an average of 1.9312 children born per woman. An additional decrease of -37.7% from 2024 to 2100.

Year Total Fertility Rate (births per woman) Crude Birth Rate Overall Births
2024 3.0997 23.04 2,400
2025 3.0657 22.795 2,365
2026 3.0413 22.649 2,339
2027 2.9984 22.394 2,304
2028 2.9722 22.331 2,290
2029 2.9492 22.33 2,284
2030 2.914 22.296 2,276
2031 2.8884 22.395 2,283
2032 2.8525 22.441 2,285
2033 2.8229 22.551 2,296
2034 2.7961 22.653 2,306
2035 2.7728 22.729 2,314
2036 2.7461 22.707 2,314
2037 2.7236 22.64 2,309
2038 2.6998 22.502 2,299
2039 2.6765 22.346 2,288
2040 2.6539 22.14 2,271
2041 2.6319 21.919 2,253
2042 2.6089 21.66 2,232
2043 2.5865 21.362 2,207
2044 2.5647 21.024 2,178
2045 2.5417 20.642 2,145
2046 2.5233 20.26 2,112
2047 2.5052 19.86 2,075
2048 2.4892 19.451 2,037
2049 2.4699 19.031 1,998
2050 2.4521 18.637 1,961
2051 2.4334 18.28 1,927
2052 2.4176 17.974 1,898
2053 2.3998 17.688 1,872
2054 2.3844 17.449 1,850
2055 2.3695 17.244 1,832
2056 2.3552 17.062 1,817
2057 2.3432 16.914 1,805
2058 2.3309 16.79 1,796
2059 2.3175 16.681 1,788
2060 2.3038 16.586 1,783
2061 2.2909 16.512 1,780
2062 2.2752 16.431 1,776
2063 2.2582 16.337 1,772
2064 2.2418 16.246 1,768
2065 2.2282 16.167 1,764
2066 2.2157 16.069 1,760
2067 2.2053 15.977 1,756
2068 2.1942 15.861 1,749
2069 2.1851 15.739 1,741
2070 2.1759 15.593 1,731
2071 2.1658 15.421 1,718
2072 2.1564 15.247 1,705
2073 2.1465 15.053 1,689
2074 2.1345 14.833 1,671
2075 2.1254 14.623 1,652
2076 2.1139 14.39 1,632
2077 2.1035 14.168 1,612
2078 2.0925 13.937 1,591
2079 2.083 13.723 1,571
2080 2.0742 13.518 1,552
2081 2.0656 13.322 1,534
2082 2.0564 13.128 1,516
2083 2.0478 12.953 1,499
2084 2.0394 12.795 1,484
2085 2.0294 12.639 1,469
2086 2.0213 12.506 1,456
2087 2.0135 12.387 1,445
2088 2.0059 12.286 1,435
2089 1.9973 12.192 1,427
2090 1.9911 12.118 1,420
2091 1.9862 12.062 1,415
2092 1.9788 11.995 1,408
2093 1.9706 11.929 1,402
2094 1.9647 11.877 1,397
2095 1.9586 11.831 1,392
2096 1.9489 11.762 1,385
2097 1.9432 11.712 1,379
2098 1.9373 11.659 1,374
2099 1.9359 11.633 1,371
2100 1.9312 11.584 1,365

How is Total Fertility Rate calculated?

A population's fertility rate is most commonly calculated as Total Total Fertility Rate or TFR for short. The Total Total Fertility Rate (TFR) is a standard demographic indicator that is used internationally to estimate the average number of children born per woman in a population. It is calculated by adding up all the age-specific fertility rates, multiplying this sum by five (the width of the age-group interval), and then dividing by 1,000.

Total Fertility Rate Formula

Total Total Fertility Rate = (Sum of ASFR x 5 ) / 1,000

Data Information

Data found on this page is based on the medium fertility variant of the United Nations Revision of World Population Prospects 2024.

Data Published: 2024-07-11

Data Sources

The United Nations - Department of Economic and Social Affairs (Population Division)

UN Revision of World Population Prospects 2024

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