Fertility & birth rates in Iran and Tanzania

Fertility rate in Iran vs Tanzania chart

According to the latest available data on birth rates, the fertility rate in Iran was 1.7 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 Iran 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
	Iran	Tanzania
1960	7.52	6.54
1961	7.46	6.56
1962	7.4	6.61
1963	7.32	6.65
1964	7.24	6.68
1965	7.22	6.73
1966	7.21	6.8
1967	7.19	6.86
1968	7.12	6.9
1969	7.01	6.95
1970	6.8	7
1971	6.55	7.04
1972	6.26	7.05
1973	6.06	7.06
1974	5.97	7.12
1975	5.95	7.1
1976	6.07	7.09
1977	6.18	7.07
1978	6.34	7.06
1979	6.55	7.04
1980	6.63	6.99
1981	6.62	6.93
1982	6.59	6.87
1983	6.53	6.81
1984	6.43	6.72
1985	6.24	6.6
1986	6.01	6.49
1987	5.72	6.41
1988	5.43	6.38
1989	5.17	6.3
1990	4.93	6.2
1991	4.57	6.14
1992	4.1	6.08
1993	3.67	6
1994	3.24	5.89
1995	2.85	5.82
1996	2.54	5.83
1997	2.32	5.84
1998	2.19	5.81
1999	2.09	5.75
2000	2	5.67
2001	1.92	5.62
2002	1.84	5.57
2003	1.8	5.58
2004	1.78	5.6
2005	1.76	5.58
2006	1.76	5.51
2007	1.75	5.4
2008	1.74	5.32
2009	1.74	5.26
2010	1.75	5.23
2011	1.79	5.14
2012	1.85	5.14
2013	1.91	5.16
2014	1.98	5.12
2015	2.02	5.03
2016	2.05	5.01
2017	2.02	4.99
2018	1.92	4.93
2019	1.77	4.87
2020	1.7	4.8
2021	1.71	4.73
2022	1.7	4.67
2023	1.7	4.61
2024	1.68	4.54
2025	1.67	4.47
2026	1.66	4.41
2027	1.65	4.34
2028	1.64	4.28
2029	1.64	4.22
2030	1.63	4.16
2031	1.63	4.11
2032	1.63	4.04
2033	1.63	3.98
2034	1.63	3.94
2035	1.63	3.88
2036	1.63	3.83
2037	1.63	3.76
2038	1.63	3.72
2039	1.63	3.67
2040	1.63	3.63
2041	1.63	3.57
2042	1.63	3.54
2043	1.63	3.49
2044	1.63	3.46
2045	1.63	3.4
2046	1.63	3.39
2047	1.63	3.35
2048	1.63	3.31
2049	1.63	3.25
2050	1.63	3.23

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Iran	Tanzania
1960	43.5%	44.9%
1961	44.1%	44.8%
1962	44.6%	44.8%
1963	44.9%	44.8%
1964	45%	45%
1965	45%	45.2%
1966	44.9%	45.4%
1967	44.8%	45.6%
1968	44.8%	45.8%
1969	44.7%	45.9%
1970	44.6%	46%
1971	44.4%	46.1%
1972	44.2%	46.1%
1973	43.8%	46.2%
1974	43.5%	46.3%
1975	43.2%	46.4%
1976	43%	46.5%
1977	42.9%	46.6%
1978	43%	46.7%
1979	43.1%	46.9%
1980	43.3%	47.2%
1981	42.9%	47.4%
1982	42.7%	47.5%
1983	43%	47.6%
1984	43.3%	47.5%
1985	43.5%	47.4%
1986	43.7%	47.2%
1987	43.9%	46.9%
1988	44%	46.7%
1989	44.2%	46.5%
1990	44.1%	46.3%
1991	43.9%	46.2%
1992	43.6%	46%
1993	43.6%	45.5%
1994	43.2%	44.9%
1995	42.1%	44.5%
1996	40.7%	44.7%
1997	39.1%	44.8%
1998	37.3%	44.7%
1999	35.4%	44.7%
2000	33.6%	44.6%
2001	31.7%	44.5%
2002	30.1%	44.6%
2003	28.7%	44.6%
2004	27.4%	44.7%
2005	26.2%	44.8%
2006	25.3%	44.9%
2007	24.6%	45%
2008	24%	45.1%
2009	23.7%	45.3%
2010	23.4%	45.3%
2011	23.3%	45.2%
2012	23.3%	45.1%
2013	23.3%	44.9%
2014	23.4%	44.8%
2015	23.6%	44.5%
2016	23.8%	44.2%
2017	23.9%	44%
2018	24%	43.8%
2019	23.9%	43.6%
2020	23.8%	43.4%
2021	23.6%	43.1%
2022	23.2%	42.9%
2023	22.8%	42.7%
2024	22.4%	42.5%
2025	22%	42.3%
2026	21.6%	42.1%
2027	21.1%	41.9%
2028	20.5%	41.7%
2029	19.9%	41.4%
2030	19.3%	41.1%
2031	18.6%	40.9%
2032	18%	40.5%
2033	17.4%	40.2%
2034	17%	39.8%
2035	16.7%	39.5%
2036	16.4%	39.1%
2037	16.2%	38.8%
2038	15.9%	38.4%
2039	15.8%	38.1%
2040	15.6%	37.8%
2041	15.5%	37.5%
2042	15.4%	37.1%
2043	15.3%	36.8%
2044	15.3%	36.5%
2045	15.2%	36.2%
2046	15.2%	35.9%
2047	15.2%	35.6%
2048	15.2%	35.4%
2049	15.1%	35.1%
2050	15.1%	34.8%

Children aged 0-14 make up 22.4% of the population in Iran and 42.5% in Tanzania in 2024, compared to 44.1% and 46.3% respectively in 1990.

Demographics of Iran and Tanzania compared.

Natural population change in Iran vs Tanzania by year

For the past 10 years, the annual natural population change (excluding migration) has been +1.1% in Iran 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
	Iran	Tanzania
1960	584,060	275,814
1961	594,674	286,839
1962	595,538	300,663
1963	620,126	314,644
1964	635,589	328,527
1965	663,029	343,456
1966	695,040	360,229
1967	727,276	374,763
1968	743,992	389,467
1969	780,660	408,322
1970	794,612	427,988
1971	805,830	449,014
1972	804,043	467,305
1973	831,880	488,429
1974	873,369	515,152
1975	929,481	533,906
1976	1,013,347	553,617
1977	1,091,542	574,938
1978	1,156,974	595,024
1979	1,294,306	613,388
1980	1,361,293	629,444
1981	1,376,830	645,496
1982	1,514,240	662,627
1983	1,573,612	679,720
1984	1,653,051	687,435
1985	1,661,750	697,867
1986	1,659,289	705,677
1987	1,639,644	718,580
1988	1,614,512	736,551
1989	1,609,739	743,854
1990	1,530,434	750,825
1991	1,495,594	762,011
1992	1,365,466	767,961
1993	1,219,658	778,044
1994	1,008,076	803,953
1995	879,648	838,980
1996	784,508	868,524
1997	726,574	882,544
1998	717,655	920,806
1999	723,237	948,659
2000	731,203	985,185
2001	743,658	1,026,242
2002	752,205	1,063,195
2003	732,600	1,118,435
2004	801,203	1,175,379
2005	837,305	1,224,165
2006	884,529	1,257,927
2007	919,254	1,278,285
2008	940,983	1,303,728
2009	958,322	1,332,015
2010	980,380	1,363,477
2011	1,023,925	1,384,886
2012	1,073,804	1,439,325
2013	1,119,533	1,509,008
2014	1,158,552	1,565,630
2015	1,178,317	1,592,882
2016	1,186,949	1,659,502
2017	1,140,549	1,726,909
2018	1,035,052	1,777,852
2019	893,063	1,816,669
2020	663,978	1,861,377
2021	645,725	1,880,137
2022	753,525	1,927,960
2023	750,150	1,960,623

Maternal mortality chart: Iran vs Tanzania

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 16 deaths per 100,000 live births in Iran, compared to 276 deaths in Tanzania.

Table

Year	Maternal mortality per 100K births
	Iran	Tanzania
1985	160	980
1986	148	971
1987	136	964
1988	126	949
1989	113	927
1990	107	900
1991	94	873
1992	86	864
1993	80	851
1994	71	816
1995	65	797
1996	59	775
1997	55	777
1998	50	739
1999	46	635
2000	43	568
2001	40	493
2002	38	454
2003	37	397
2004	34	365
2005	33	350
2006	32	366
2007	31	453
2008	30	511
2009	28	502
2010	27	486
2011	26	475
2012	25	448
2013	24	479
2014	23	454
2015	22	433
2016	21	396
2017	20	345
2018	19	319
2019	18	292
2020	34	160
2021	51	162
2022	21	152
2023	16	276

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 1.18% in Iran 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
	Iran	Tanzania
1960	-	24.2%
1961	-	24%
1962	-	23.8%
1963	-	23.6%
1964	-	23.4%
1965	-	23.1%
1966	-	22.8%
1967	-	22.5%
1968	-	22.2%
1969	-	21.9%
1970	-	21.6%
1971	18.9%	21.2%
1972	18%	20.9%
1973	17.1%	20.5%
1974	16.2%	20.1%
1975	15.3%	19.6%
1976	14.4%	19.2%
1977	13.5%	18.8%
1978	12.6%	18.4%
1979	11.7%	18.1%
1980	10.8%	17.9%
1981	10%	17.8%
1982	9.3%	17.8%
1983	8.67%	17.8%
1984	8.13%	17.8%
1985	7.64%	17.7%
1986	7.2%	17.6%
1987	6.8%	17.4%
1988	6.42%	17.2%
1989	6.07%	16.9%
1990	5.76%	16.7%
1991	5.48%	16.5%
1992	5.22%	16.3%
1993	5%	16.1%
1994	4.79%	15.9%
1995	4.59%	15.6%
1996	4.4%	15.2%
1997	4.21%	14.8%
1998	4.02%	14.2%
1999	3.83%	13.6%
2000	3.63%	12.8%
2001	3.42%	12.1%
2002	3.22%	11.3%
2003	3.02%	10.5%
2004	2.83%	9.86%
2005	2.65%	9.24%
2006	2.48%	8.69%
2007	2.32%	8.16%
2008	2.17%	7.7%
2009	2.04%	7.24%
2010	1.93%	6.86%
2011	1.84%	6.5%
2012	1.75%	6.21%
2013	1.68%	5.95%
2014	1.61%	5.67%
2015	1.55%	5.48%
2016	1.5%	5.25%
2017	1.45%	5.02%
2018	1.39%	4.8%
2019	1.35%	4.6%
2020	1.3%	4.42%
2021	1.26%	4.22%
2022	1.22%	4.05%
2023	1.18%	3.89%