Fertility & birth rates in Sri Lanka and Tonga

Fertility rate in Sri Lanka vs Tonga by year

Chart Table

Sri Lanka

Tonga

1x

Year	Fertility rate
	Sri Lanka	Tonga
2023	1.97	3.13
2022	1.98	3.17
2021	2	3.2
2020	2.01	3.23
2019	2.02	3.27
2018	2.03	3.33
2017	2.04	3.39
2016	2.06	3.46
2015	2.09	3.54
2014	2.13	3.62
2013	2.18	3.7
2012	2.17	3.77
2011	2.14	3.83
2010	2.13	3.88
2009	2.18	3.95
2008	2.23	4.01
2007	2.3	4.09
2006	2.29	4.14
2005	2.26	4.2
2004	2.27	4.19
2003	2.3	4.18
2002	2.31	4.14
2001	2.28	4.13
2000	2.21	4.16
1999	2.14	4.23
1998	2.14	4.31
1997	2.22	4.38
1996	2.29	4.46
1995	2.35	4.56
1994	2.4	4.66
1993	2.44	4.73
1992	2.49	4.79
1991	2.51	4.85
1990	2.54	4.93
1989	2.58	5.01
1988	2.57	5.1
1987	2.64	5.19
1986	2.74	5.27
1985	2.9	5.34
1984	3.01	5.41
1983	3.11	5.45
1982	3.32	5.5
1981	3.65	5.55
1980	3.73	5.6
1979	3.82	5.65
1978	3.81	5.68
1977	3.74	5.7
1976	3.78	5.73
1975	3.82	5.75
1974	3.86	5.77
1973	4	5.8
1972	4.16	5.86
1971	4.27	5.96
1970	4.39	6.07
1969	4.5	6.17
1968	4.66	6.23
1967	4.79	6.29
1966	4.83	6.35
1965	4.93	6.41
1964	5.06	6.46
1963	5.12	6.52
1962	5.18	6.57
1961	5.24	6.61
1960	5.35	6.65

According to the latest available data on birth rates, the fertility rate in Sri Lanka was 1.97 children per woman in 2023, compared to 3.13 in Tonga in 2023. The replacement level is considered to be 2.1 children per woman.

Check Sri Lanka vs Tonga population clock for a dynamic visualization of the changing population.

Natural population change by year

Chart Table

Sri Lanka

Tonga

1x

Year	Natural population change
	Sri Lanka	Tonga
2023	66,111	1,744
2022	95,378	1,772
2021	121,858	1,773
2020	170,968	1,816
2019	172,243	1,841
2018	183,610	1,873
2017	187,993	1,912
2016	194,232	1,989
2015	201,815	2,064
2014	211,541	2,135
2013	221,021	2,199
2012	229,138	2,255
2011	224,461	2,298
2010	224,325	2,332
2009	200,175	2,358
2008	232,225	2,397
2007	248,287	2,423
2006	248,706	2,459
2005	248,683	2,495
2004	212,527	2,478
2003	252,008	2,448
2002	252,840	2,396
2001	244,377	2,358
2000	227,060	2,346
1999	206,876	2,352
1998	201,059	2,344
1997	208,193	2,332
1996	215,290	2,393
1995	221,957	2,476
1994	228,904	2,547
1993	226,257	2,594
1992	222,230	2,622
1991	218,117	2,637
1990	224,454	2,641
1989	212,401	2,644
1988	219,184	2,649
1987	226,414	2,646
1986	233,782	2,704
1985	247,836	2,762
1984	263,175	2,814
1983	277,768	2,840
1982	300,030	2,853
1981	328,096	2,882
1980	328,155	2,885
1979	329,791	2,884
1978	317,055	2,862
1977	300,038	2,822
1976	291,816	2,769
1975	282,496	2,709
1974	275,521	2,650
1973	278,577	2,617
1972	282,494	2,605
1971	281,200	2,611
1970	286,719	2,628
1969	286,218	2,632
1968	286,642	2,614
1967	284,738	2,603
1966	275,549	2,550
1965	272,422	2,498
1964	269,584	2,445
1963	262,880	2,394
1962	256,719	2,343
1961	251,087	2,284
1960	247,631	2,230

The chart above illustrates the comparison of the absolute yearly changes in population resulting from births and deaths.

Excluding migration, the natural population change due to births and deaths from 2022 to 2023 was +0.3% in Sri Lanka and +1.67% in Tonga.

For the past 10 years, the annual natural population change has been +0.75% in Sri Lanka and +1.79% in Tonga.

Birth rate in Sri Lanka vs Tonga by year

Chart Table

Sri Lanka

Tonga

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Sri Lanka	Tonga
2023	11.2	23.1
2022	12.4	23.4
2021	12.9	23.5
2020	13.8	23.6
2019	14.6	23.8
2018	15.2	24.1
2017	15.4	24.5
2016	15.7	25.2
2015	16	25.8
2014	16.5	26.4
2013	17	26.9
2012	17.1	27.3
2011	17.1	27.7
2010	17.1	28
2009	17.6	28.4
2008	18.2	28.7
2007	18.8	29
2006	18.9	29.5
2005	18.7	30
2004	18.8	30
2003	19.1	29.9
2002	19.2	29.5
2001	19	29.4
2000	18.4	29.4
1999	17.9	29.6
1998	17.8	29.7
1997	18.5	29.8
1996	19	30.6
1995	19.6	31.4
1994	20	32.2
1993	20	32.7
1992	20.1	33
1991	20.2	33.2
1990	20.5	33.3
1989	20.6	33.4
1988	20.3	33.5
1987	20.8	33.7
1986	21.4	34.4
1985	22.4	34.9
1984	23.5	35.4
1983	24.4	35.6
1982	26	35.8
1981	28.1	36
1980	28.6	36.1
1979	29.3	36.1
1978	29	36
1977	28.3	35.7
1976	28.3	35.6
1975	28.2	35.8
1974	28.2	36
1973	28.9	36.5
1972	29.7	37
1971	30.2	37.8
1970	31.2	38.8
1969	31.8	39.6
1968	32.6	40.3
1967	33.2	41
1966	33.2	41.4
1965	33.8	41.9
1964	34.5	42.4
1963	34.7	42.9
1962	35.1	43.4
1961	35.6	43.9
1960	36.3	44.3

The latest reported birth rate per 1,000 people in 2023 was 11.2 in Sri Lanka and 23.1 in Tonga, compared with 36.3 and 44.3, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Sri Lanka

Factual

UN forecast

Tonga

Factual

UN forecast

1x

Year	Young
	Sri Lanka	Tonga
2100	13.1%	17.5%
2099	13.1%	17.6%
2098	13.2%	17.7%
2097	13.2%	17.7%
2096	13.2%	17.9%
2095	13.3%	18%
2094	13.3%	18.1%
2093	13.4%	18.3%
2092	13.4%	18.4%
2091	13.5%	18.6%
2090	13.6%	18.8%
2089	13.7%	19%
2088	13.7%	19.3%
2087	13.8%	19.5%
2086	13.9%	19.7%
2085	14%	20%
2084	14%	20.2%
2083	14.1%	20.4%
2082	14.2%	20.7%
2081	14.3%	20.9%
2080	14.3%	21.1%
2079	14.4%	21.3%
2078	14.5%	21.5%
2077	14.5%	21.7%
2076	14.6%	21.9%
2075	14.6%	22%
2074	14.7%	22.2%
2073	14.7%	22.3%
2072	14.8%	22.4%
2071	14.9%	22.6%
2070	14.9%	22.7%
2069	15%	22.8%
2068	15%	23%
2067	15.1%	23.2%
2066	15.2%	23.4%
2065	15.3%	23.6%
2064	15.4%	23.8%
2063	15.5%	24.1%
2062	15.6%	24.4%
2061	15.7%	24.7%
2060	15.8%	25%
2059	16%	25.4%
2058	16.1%	25.8%
2057	16.3%	26.2%
2056	16.4%	26.6%
2055	16.6%	27%
2054	16.8%	27.4%
2053	16.9%	27.8%
2052	17.1%	28.2%
2051	17.2%	28.5%
2050	17.4%	28.9%
2049	17.5%	29.1%
2048	17.7%	29.4%
2047	17.8%	29.6%
2046	17.9%	29.7%
2045	18%	29.8%
2044	18.2%	29.9%
2043	18.3%	30%
2042	18.4%	30.1%
2041	18.5%	30.1%
2040	18.6%	30.2%
2039	18.7%	30.2%
2038	18.9%	30.3%
2037	19%	30.4%
2036	19.1%	30.6%
2035	19.3%	30.7%
2034	19.5%	30.9%
2033	19.7%	31.1%
2032	19.9%	31.4%
2031	20.1%	31.8%
2030	20.3%	32.3%
2029	20.6%	33%
2028	20.9%	33.6%
2027	21.2%	34.1%
2026	21.5%	34.6%
2025	21.9%	35.2%
2024	22%	35.4%
2023	22.4%	35.6%
2022	22.7%	35.6%
2021	23%	35.7%
2020	23.3%	35.8%
2019	23.7%	36%
2018	24%	36.2%
2017	24.2%	36.4%
2016	24.5%	36.5%
2015	24.7%	36.7%
2014	24.9%	36.9%
2013	25%	37.1%
2012	25.2%	37.2%
2011	25.3%	37.4%
2010	25.4%	37.6%
2009	25.5%	37.8%
2008	25.6%	38%
2007	25.7%	38.3%
2006	25.7%	38.3%
2005	25.8%	38.3%
2004	26%	38.2%
2003	26.1%	38.1%
2002	26.3%	38.1%
2001	26.6%	38.2%
2000	27%	38.3%
1999	27.4%	38.6%
1998	27.8%	38.9%
1997	28.2%	39.3%
1996	28.6%	39.7%
1995	29.2%	39.9%
1994	29.9%	40.1%
1993	30.6%	40.3%
1992	31.4%	40.5%
1991	32.1%	40.6%
1990	32.5%	40.8%
1989	33%	40.9%
1988	33.5%	41.2%
1987	34%	41.5%
1986	34.6%	41.7%
1985	35.2%	42%
1984	35.5%	42.4%
1983	35.8%	42.9%
1982	36%	43.4%
1981	36.2%	43.9%
1980	36.4%	44.3%
1979	36.7%	44.8%
1978	36.9%	45.3%
1977	37.2%	45.8%
1976	37.6%	46.1%
1975	38%	46.2%
1974	38.4%	46.2%
1973	38.8%	46.2%
1972	39.2%	46.3%
1971	39.5%	46.4%
1970	39.7%	46.4%
1969	39.9%	46.3%
1968	40.1%	46.2%
1967	40.3%	46%
1966	40.4%	45.9%
1965	40.5%	45.9%
1964	40.6%	45.9%
1963	40.7%	45.9%
1962	40.8%	45.8%
1961	40.9%	45.7%
1960	41%	45.7%

Children aged 0-14 make up 22% of the population in Sri Lanka and 35.4% in Tonga in 2024, compared to 32.5% and 40.8% respectively in 1990.

Demographics of Sri Lanka and Tonga compared.

Maternal mortality chart: Sri Lanka vs Tonga

Chart Table

Sri Lanka

Tonga

1x

Year	Maternal mortality per 100K births
	Sri Lanka	Tonga
2023	18	67
2022	22	72
2021	34	76
2020	23	74
2019	20	73
2018	21	74
2017	21	77
2016	22	78
2015	22	79
2014	23	80
2013	23	80
2012	24	83
2011	25	84
2010	26	85
2009	28	91
2008	30	88
2007	31	88
2006	32	89
2005	32	92
2004	37	92
2003	35	95
2002	36	98
2001	37	98
2000	39	100
1999	41	99
1998	43	104
1997	45	111
1996	47	113
1995	48	117
1994	49	123
1993	51	127
1992	54	129
1991	57	134
1990	59	138
1989	61	139
1988	62	145
1987	64	147
1986	66	149
1985	68	148

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 18 deaths per 100,000 live births in Sri Lanka, compared to 67 deaths in Tonga.

Under-five mortality rates

Chart Table

Sri Lanka

Tonga

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Sri Lanka	Tonga
2023	0.61%	0.99%
2022	0.64%	1.02%
2021	0.66%	1.05%
2020	0.69%	1.08%
2019	0.72%	1.1%
2018	0.76%	1.12%
2017	0.79%	1.15%
2016	0.83%	1.17%
2015	0.87%	1.19%
2014	0.92%	1.22%
2013	0.98%	1.24%
2012	1.03%	1.26%
2011	1.08%	1.29%
2010	1.12%	1.31%
2009	2.08%	1.34%
2008	1.2%	1.37%
2007	1.26%	1.41%
2006	1.33%	1.44%
2005	1.4%	1.48%
2004	2.88%	1.52%
2003	1.52%	1.56%
2002	1.55%	1.61%
2001	1.58%	1.65%
2000	1.63%	1.7%
1999	1.69%	1.74%
1998	1.76%	1.78%
1997	1.86%	1.81%
1996	1.95%	1.85%
1995	2.05%	1.89%
1994	2.14%	1.94%
1993	2.22%	2%
1992	2.29%	2.06%
1991	2.32%	2.14%
1990	2.33%	2.21%
1989	2.74%	2.29%
1988	2.41%	2.37%
1987	2.54%	2.44%
1986	2.74%	2.51%
1985	3.02%	2.57%
1984	3.35%	2.63%
1983	3.67%	2.7%
1982	3.98%	2.78%
1981	4.29%	2.87%
1980	4.63%	2.97%
1979	4.99%	3.09%
1978	5.38%	3.22%
1977	5.77%	3.37%
1976	6.12%	3.53%
1975	6.41%	3.71%
1974	6.62%	3.9%
1973	6.77%	4.11%
1972	6.86%	4.35%
1971	6.94%	4.61%
1970	7.02%	4.91%
1969	7.14%	5.25%
1968	7.32%	5.63%
1967	7.55%	6.03%
1966	7.81%	6.45%
1965	8.07%	6.89%
1964	8.3%	7.35%
1963	8.48%	7.83%
1962	8.66%	-
1961	8.95%	-
1960	9.41%	-

The chance that a newborn baby will die before reaching age five is 0.61% in Sri Lanka and 0.99% in Tonga. Above is a chart with historical data on under-five mortality rates.