Fertility & birth rates in Sri Lanka and Tanzania

Fertility rate in Sri Lanka vs Tanzania chart

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 4.61 in Tanzania in 2023. The replacement level is considered to be 2.1 children per woman.

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

The chart below showcases historical changes in the birth rates.

Table

Year	Fertility rate
	Sri Lanka	Tanzania
1960	5.35	6.54
1961	5.24	6.56
1962	5.18	6.61
1963	5.12	6.65
1964	5.06	6.68
1965	4.93	6.73
1966	4.83	6.8
1967	4.79	6.86
1968	4.66	6.9
1969	4.5	6.95
1970	4.39	7
1971	4.27	7.04
1972	4.16	7.05
1973	4	7.06
1974	3.86	7.12
1975	3.82	7.1
1976	3.78	7.09
1977	3.74	7.07
1978	3.81	7.06
1979	3.82	7.04
1980	3.73	6.99
1981	3.65	6.93
1982	3.32	6.87
1983	3.11	6.81
1984	3.01	6.72
1985	2.9	6.6
1986	2.74	6.49
1987	2.64	6.41
1988	2.57	6.38
1989	2.58	6.3
1990	2.54	6.2
1991	2.51	6.14
1992	2.49	6.08
1993	2.44	6
1994	2.4	5.89
1995	2.35	5.82
1996	2.29	5.83
1997	2.22	5.84
1998	2.14	5.81
1999	2.14	5.75
2000	2.21	5.67
2001	2.28	5.62
2002	2.31	5.57
2003	2.3	5.58
2004	2.27	5.6
2005	2.26	5.58
2006	2.29	5.51
2007	2.3	5.4
2008	2.23	5.32
2009	2.18	5.26
2010	2.13	5.23
2011	2.14	5.14
2012	2.17	5.14
2013	2.18	5.16
2014	2.13	5.12
2015	2.09	5.03
2016	2.06	5.01
2017	2.04	4.99
2018	2.03	4.93
2019	2.02	4.87
2020	2.01	4.8
2021	2	4.73
2022	1.98	4.67
2023	1.97	4.61
2024	1.95	4.54
2025	1.94	4.47
2026	1.93	4.41
2027	1.91	4.34
2028	1.9	4.28
2029	1.89	4.22
2030	1.88	4.16
2031	1.87	4.11
2032	1.86	4.04
2033	1.85	3.98
2034	1.85	3.94
2035	1.84	3.88
2036	1.83	3.83
2037	1.83	3.76
2038	1.82	3.72
2039	1.81	3.67
2040	1.81	3.63
2041	1.8	3.57
2042	1.8	3.54
2043	1.8	3.49
2044	1.79	3.46
2045	1.79	3.4
2046	1.79	3.39
2047	1.78	3.35
2048	1.78	3.31
2049	1.77	3.25
2050	1.77	3.23

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Sri Lanka	Tanzania
1960	41%	44.9%
1961	40.9%	44.8%
1962	40.8%	44.8%
1963	40.7%	44.8%
1964	40.6%	45%
1965	40.5%	45.2%
1966	40.4%	45.4%
1967	40.3%	45.6%
1968	40.1%	45.8%
1969	39.9%	45.9%
1970	39.7%	46%
1971	39.5%	46.1%
1972	39.2%	46.1%
1973	38.8%	46.2%
1974	38.4%	46.3%
1975	38%	46.4%
1976	37.6%	46.5%
1977	37.2%	46.6%
1978	36.9%	46.7%
1979	36.7%	46.9%
1980	36.4%	47.2%
1981	36.2%	47.4%
1982	36%	47.5%
1983	35.8%	47.6%
1984	35.5%	47.5%
1985	35.2%	47.4%
1986	34.6%	47.2%
1987	34%	46.9%
1988	33.5%	46.7%
1989	33%	46.5%
1990	32.5%	46.3%
1991	32.1%	46.2%
1992	31.4%	46%
1993	30.6%	45.5%
1994	29.9%	44.9%
1995	29.2%	44.5%
1996	28.6%	44.7%
1997	28.2%	44.8%
1998	27.8%	44.7%
1999	27.4%	44.7%
2000	27%	44.6%
2001	26.6%	44.5%
2002	26.3%	44.6%
2003	26.1%	44.6%
2004	26%	44.7%
2005	25.8%	44.8%
2006	25.7%	44.9%
2007	25.7%	45%
2008	25.6%	45.1%
2009	25.5%	45.3%
2010	25.4%	45.3%
2011	25.3%	45.2%
2012	25.2%	45.1%
2013	25%	44.9%
2014	24.9%	44.8%
2015	24.7%	44.5%
2016	24.5%	44.2%
2017	24.2%	44%
2018	24%	43.8%
2019	23.7%	43.6%
2020	23.3%	43.4%
2021	23%	43.1%
2022	22.7%	42.9%
2023	22.4%	42.7%
2024	22%	42.5%
2025	21.7%	42.3%
2026	21.4%	42.1%
2027	21.1%	41.9%
2028	20.8%	41.7%
2029	20.5%	41.4%
2030	20.2%	41.1%
2031	20%	40.9%
2032	19.8%	40.5%
2033	19.6%	40.2%
2034	19.4%	39.8%
2035	19.2%	39.5%
2036	19.1%	39.1%
2037	18.9%	38.8%
2038	18.8%	38.4%
2039	18.7%	38.1%
2040	18.6%	37.8%
2041	18.4%	37.5%
2042	18.3%	37.1%
2043	18.2%	36.8%
2044	18.1%	36.5%
2045	18%	36.2%
2046	17.9%	35.9%
2047	17.7%	35.6%
2048	17.6%	35.4%
2049	17.5%	35.1%
2050	17.3%	34.8%

Children aged 0-14 make up 22% of the population in Sri Lanka and 42.5% in Tanzania in 2024, compared to 32.5% and 46.3% respectively in 1990.

Demographics of Sri Lanka and Tanzania compared.

Natural population change in Sri Lanka vs Tanzania by year

For the past 10 years, the annual natural population change (excluding migration) has been +0.75% in Sri Lanka and +3.05% in Tanzania. The chart below illustrates the comparison of the absolute yearly changes resulting from births and deaths.

Table

Year	Population change due to births and deaths
	Sri Lanka	Tanzania
1960	247,631	275,814
1961	251,087	286,839
1962	256,719	300,663
1963	262,880	314,644
1964	269,584	328,527
1965	272,422	343,456
1966	275,549	360,229
1967	284,738	374,763
1968	286,642	389,467
1969	286,218	408,322
1970	286,719	427,988
1971	281,200	449,014
1972	282,494	467,305
1973	278,577	488,429
1974	275,521	515,152
1975	282,496	533,906
1976	291,816	553,617
1977	300,038	574,938
1978	317,055	595,024
1979	329,791	613,388
1980	328,155	629,444
1981	328,096	645,496
1982	300,030	662,627
1983	277,768	679,720
1984	263,175	687,435
1985	247,836	697,867
1986	233,782	705,677
1987	226,414	718,580
1988	219,184	736,551
1989	212,401	743,854
1990	224,454	750,825
1991	218,117	762,011
1992	222,230	767,961
1993	226,257	778,044
1994	228,904	803,953
1995	221,957	838,980
1996	215,290	868,524
1997	208,193	882,544
1998	201,059	920,806
1999	206,876	948,659
2000	227,060	985,185
2001	244,377	1,026,242
2002	252,840	1,063,195
2003	252,008	1,118,435
2004	212,527	1,175,379
2005	248,683	1,224,165
2006	248,706	1,257,927
2007	248,287	1,278,285
2008	232,225	1,303,728
2009	200,175	1,332,015
2010	224,325	1,363,477
2011	224,461	1,384,886
2012	229,138	1,439,325
2013	221,021	1,509,008
2014	211,541	1,565,630
2015	201,815	1,592,882
2016	194,232	1,659,502
2017	187,993	1,726,909
2018	183,610	1,777,852
2019	172,243	1,816,669
2020	170,968	1,861,377
2021	121,858	1,880,137
2022	95,378	1,927,960
2023	66,111	1,960,623

Maternal mortality chart: Sri Lanka vs Tanzania

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 276 deaths in Tanzania.

Table

Year	Maternal mortality per 100K births
	Sri Lanka	Tanzania
1985	68	980
1986	66	971
1987	64	964
1988	62	949
1989	61	927
1990	59	900
1991	57	873
1992	54	864
1993	51	851
1994	49	816
1995	48	797
1996	47	775
1997	45	777
1998	43	739
1999	41	635
2000	39	568
2001	37	493
2002	36	454
2003	35	397
2004	37	365
2005	32	350
2006	32	366
2007	31	453
2008	30	511
2009	28	502
2010	26	486
2011	25	475
2012	24	448
2013	23	479
2014	23	454
2015	22	433
2016	22	396
2017	21	345
2018	21	319
2019	20	292
2020	23	160
2021	34	162
2022	22	152
2023	18	276

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 0.61% in Sri Lanka and 3.89% in Tanzania. Below is the historical data on under-five mortality rates.

Table

Year	Mortality rate before reaching 5 years of age, per 1,000 live births
	Sri Lanka	Tanzania
1960	9.41%	24.2%
1961	8.95%	24%
1962	8.66%	23.8%
1963	8.48%	23.6%
1964	8.3%	23.4%
1965	8.07%	23.1%
1966	7.81%	22.8%
1967	7.55%	22.5%
1968	7.32%	22.2%
1969	7.14%	21.9%
1970	7.02%	21.6%
1971	6.94%	21.2%
1972	6.86%	20.9%
1973	6.77%	20.5%
1974	6.62%	20.1%
1975	6.41%	19.6%
1976	6.12%	19.2%
1977	5.77%	18.8%
1978	5.38%	18.4%
1979	4.99%	18.1%
1980	4.63%	17.9%
1981	4.29%	17.8%
1982	3.98%	17.8%
1983	3.67%	17.8%
1984	3.35%	17.8%
1985	3.02%	17.7%
1986	2.74%	17.6%
1987	2.54%	17.4%
1988	2.41%	17.2%
1989	2.74%	16.9%
1990	2.33%	16.7%
1991	2.32%	16.5%
1992	2.29%	16.3%
1993	2.22%	16.1%
1994	2.14%	15.9%
1995	2.05%	15.6%
1996	1.95%	15.2%
1997	1.86%	14.8%
1998	1.76%	14.2%
1999	1.69%	13.6%
2000	1.63%	12.8%
2001	1.58%	12.1%
2002	1.55%	11.3%
2003	1.52%	10.5%
2004	2.88%	9.86%
2005	1.4%	9.24%
2006	1.33%	8.69%
2007	1.26%	8.16%
2008	1.2%	7.7%
2009	2.08%	7.24%
2010	1.12%	6.86%
2011	1.08%	6.5%
2012	1.03%	6.21%
2013	0.98%	5.95%
2014	0.92%	5.67%
2015	0.87%	5.48%
2016	0.83%	5.25%
2017	0.79%	5.02%
2018	0.76%	4.8%
2019	0.72%	4.6%
2020	0.69%	4.42%
2021	0.66%	4.22%
2022	0.64%	4.05%
2023	0.61%	3.89%