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🇹🇴 Total Fertility Rate of Tonga

3.13
Total Fertility Rate
22.55
Crude Birth Rate
2,460
Overall Births

The current population fertility rate of Tonga is 3.1322 births per woman. A -0.66% decrease from 2023, when the fertility rate was 3.1529 births per woman. In the future, Tonga's fertility rate is projected to decrease to 1.9394 childern born per woman, by the year 2100. A total decrease of the fertility rate of Tonga's by -38.08% 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 6.7602 to 3.1322 births per woman, a decrease of -53.67% in total.

Year Total Fertility Rate (births per woman) Crude Birth Rate Overall Births
1950 6.7602 43.102 2,148
1951 6.7705 43.525 2,233
1952 6.7801 43.916 2,321
1953 6.7827 44.194 2,408
1954 6.7931 44.465 2,500
1955 6.8067 44.678 2,593
1956 6.8137 44.787 2,685
1957 6.8472 45.0 2,789
1958 6.8497 44.91 2,865
1959 6.8611 44.808 2,943
1960 6.8853 44.74 3,025
1961 6.8439 44.232 3,078
1962 6.804 43.739 3,132
1963 6.7743 43.282 3,188
1964 6.7339 42.778 3,241
1965 6.6618 42.113 3,281
1966 6.596 41.505 3,325
1967 6.5897 41.26 3,391
1968 6.371 39.657 3,329
1969 6.1497 38.021 3,251
1970 5.9412 36.522 3,178
1971 5.7607 35.26 3,118
1972 5.6162 34.287 3,080
1973 5.5119 33.663 3,069
1974 5.449 33.355 3,086
1975 5.4264 33.27 3,128
1976 5.4384 33.37 3,188
1977 5.4709 33.59 3,257
1978 5.5089 34.146 3,328
1979 5.5412 34.674 3,394
1980 5.5533 34.991 3,435
1981 5.5321 35.077 3,450
1982 5.4752 34.916 3,438
1983 5.3851 34.494 3,397
1984 5.2655 33.778 3,326
1985 5.1281 32.87 3,235
1986 4.9889 31.915 3,139
1987 4.8635 31.057 3,053
1988 4.763 30.766 3,042
1989 4.6907 30.638 3,045
1990 4.6435 30.655 3,060
1991 4.6122 30.867 3,092
1992 4.5833 30.936 3,107
1993 4.547 30.806 3,101
1994 4.5009 30.488 3,075
1995 4.447 30.085 3,040
1996 4.433 29.834 3,022
1997 4.3685 29.285 2,972
1998 4.3281 29.343 2,999
1999 4.2034 28.875 2,969
2000 4.1078 28.378 2,935
2001 4.0722 28.257 2,940
2002 4.1367 28.71 3,006
2003 4.1936 29.248 3,081
2004 4.2056 29.347 3,110
2005 4.179 29.13 3,104
2006 4.1415 28.731 3,078
2007 4.0927 28.277 3,044
2008 4.0265 27.993 3,023
2009 3.9546 27.63 2,990
2010 3.8886 27.266 2,955
2011 3.8417 26.943 2,926
2012 3.7808 26.505 2,883
2013 3.7073 26.104 2,829
2014 3.6353 25.68 2,771
2015 3.5625 25.171 2,702
2016 3.4831 24.543 2,621
2017 3.407 24.015 2,556
2018 3.3489 23.625 2,508
2019 3.3149 23.424 2,480
2020 3.2668 23.139 2,446
2021 3.2367 23.045 2,454
2022 3.1934 22.894 2,456
2023 3.1529 22.641 2,449
2024 3.1322 22.549 2,460

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 3.1322 to an average of 1.9394 children born per woman. An additional decrease of -38.08% from 2024 to 2100.

Year Total Fertility Rate (births per woman) Crude Birth Rate Overall Births
2024 3.1322 22.549 2,460
2025 3.0982 22.376 2,461
2026 3.0542 22.135 2,455
2027 3.0218 21.982 2,458
2028 2.9981 21.902 2,469
2029 2.9727 21.829 2,480
2030 2.9424 21.742 2,490
2031 2.9162 21.699 2,505
2032 2.9006 21.734 2,530
2033 2.8744 21.678 2,544
2034 2.8563 21.656 2,562
2035 2.8268 21.515 2,565
2036 2.8009 21.364 2,568
2037 2.7771 21.196 2,568
2038 2.7475 20.959 2,558
2039 2.7367 20.845 2,564
2040 2.7131 20.619 2,555
2041 2.6884 20.372 2,542
2042 2.6701 20.161 2,534
2043 2.6415 19.858 2,512
2044 2.6239 19.622 2,499
2045 2.6003 19.325 2,476
2046 2.5752 19.005 2,449
2047 2.5623 18.765 2,432
2048 2.5534 18.551 2,417
2049 2.5371 18.288 2,395
2050 2.5221 18.045 2,375
2051 2.5079 17.822 2,357
2052 2.478 17.508 2,325
2053 2.4644 17.327 2,311
2054 2.4438 17.114 2,291
2055 2.4124 16.842 2,263
2056 2.3992 16.71 2,253
2057 2.3823 16.565 2,241
2058 2.3813 16.54 2,245
2059 2.3601 16.383 2,230
2060 2.3478 16.296 2,225
2061 2.3362 16.218 2,220
2062 2.3227 16.127 2,214
2063 2.298 15.959 2,196
2064 2.2826 15.85 2,187
2065 2.2719 15.765 2,180
2066 2.2525 15.612 2,163
2067 2.2407 15.499 2,152
2068 2.2323 15.4 2,142
2069 2.219 15.256 2,126
2070 2.2055 15.099 2,107
2071 2.2052 15.021 2,099
2072 2.1831 14.785 2,068
2073 2.1759 14.641 2,050
2074 2.1597 14.429 2,021
2075 2.1568 14.301 2,005
2076 2.1374 14.062 1,971
2077 2.1213 13.845 1,941
2078 2.114 13.687 1,918
2079 2.1018 13.501 1,890
2080 2.0913 13.33 1,865
2081 2.07 13.095 1,830
2082 2.0748 13.029 1,818
2083 2.0631 12.865 1,792
2084 2.0529 12.716 1,767
2085 2.0346 12.526 1,737
2086 2.0231 12.386 1,713
2087 2.0122 12.26 1,691
2088 2.003 12.152 1,671
2089 1.9977 12.076 1,655
2090 1.9938 12.013 1,641
2091 1.991 11.961 1,627
2092 1.9808 11.867 1,608
2093 1.9728 11.786 1,590
2094 1.9726 11.751 1,579
2095 1.9657 11.675 1,561
2096 1.956 11.579 1,541
2097 1.952 11.513 1,525
2098 1.9458 11.43 1,506
2099 1.949 11.398 1,493
2100 1.9394 11.286 1,470

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 2022.

Data Sources

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

UN Revision of World Population Prospects 2022

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