Fertility & birth rates in Iran and Tanzania

Fertility rate in Iran vs Tanzania by year

Chart Table

Iran

Tanzania

1x

Year	Fertility rate
	Iran	Tanzania
2023	1.7	4.61
2022	1.7	4.67
2021	1.71	4.73
2020	1.7	4.8
2019	1.77	4.87
2018	1.92	4.93
2017	2.02	4.99
2016	2.05	5.01
2015	2.02	5.03
2014	1.98	5.12
2013	1.91	5.16
2012	1.85	5.14
2011	1.79	5.14
2010	1.75	5.23
2009	1.74	5.26
2008	1.74	5.32
2007	1.75	5.4
2006	1.76	5.51
2005	1.76	5.58
2004	1.78	5.6
2003	1.8	5.58
2002	1.84	5.57
2001	1.92	5.62
2000	2	5.67
1999	2.09	5.75
1998	2.19	5.81
1997	2.32	5.84
1996	2.54	5.83
1995	2.85	5.82
1994	3.24	5.89
1993	3.67	6
1992	4.1	6.08
1991	4.57	6.14
1990	4.93	6.2
1989	5.17	6.3
1988	5.43	6.38
1987	5.72	6.41
1986	6.01	6.49
1985	6.24	6.6
1984	6.43	6.72
1983	6.53	6.81
1982	6.59	6.87
1981	6.62	6.93
1980	6.63	6.99
1979	6.55	7.04
1978	6.34	7.06
1977	6.18	7.07
1976	6.07	7.09
1975	5.95	7.1
1974	5.97	7.12
1973	6.06	7.06
1972	6.26	7.05
1971	6.55	7.04
1970	6.8	7
1969	7.01	6.95
1968	7.12	6.9
1967	7.19	6.86
1966	7.21	6.8
1965	7.22	6.73
1964	7.24	6.68
1963	7.32	6.65
1962	7.4	6.61
1961	7.46	6.56
1960	7.52	6.54

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.

Natural population change by year

Chart Table

Iran

Tanzania

1x

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

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 +0.83% in Iran and +2.94% in Tanzania.

For the past 10 years, the annual natural population change has been +1.1% in Iran and +3.05% in Tanzania.

Birth rate in Iran vs Tanzania by year

Chart Table

Iran

Tanzania

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Iran	Tanzania
2023	13	35.2
2022	13.3	35.6
2021	13.7	36
2020	14	36.4
2019	14.9	36.9
2018	16.7	37.3
2017	18	37.6
2016	18.8	37.6
2015	18.9	37.6
2014	18.8	38.4
2013	18.5	38.4
2012	18.1	38.1
2011	17.7	38.1
2010	17.3	38.8
2009	17.2	39.2
2008	17.1	39.6
2007	17	40.2
2006	16.7	41
2005	16.4	41.5
2004	16.2	41.5
2003	15.9	41.3
2002	15.9	41.2
2001	15.9	41.4
2000	16	41.5
1999	16.1	41.8
1998	16.2	42.1
1997	16.6	42.1
1996	17.7	42.3
1995	19.5	41.9
1994	22	41.5
1993	25.7	41.7
1992	28.3	42.3
1991	31.2	42.7
1990	33.5	43
1989	35.2	43.5
1988	37	44
1987	38.8	44.3
1986	40.7	44.9
1985	42.4	45.7
1984	43.9	46.4
1983	44.7	47.1
1982	45.2	47.5
1981	44.2	47.9
1980	45.1	48.3
1979	44.7	48.8
1978	43.4	49.2
1977	42.2	49.5
1976	41.4	49.8
1975	40.3	50.2
1974	40	50.6
1973	40.1	50.3
1972	40.9	50.4
1971	42.4	50.6
1970	43.6	50.4
1969	44.7	50.3
1968	45.3	50.2
1967	45.8	50.3
1966	46	50.2
1965	46.3	49.9
1964	46.7	49.8
1963	47.7	49.7
1962	48.8	49.4
1961	49.8	49.1
1960	51	49

The latest reported birth rate per 1,000 people in 2023 was 13 in Iran and 35.2 in Tanzania, compared with 51 and 49, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Iran

Factual

UN forecast

Tanzania

Factual

UN forecast

1x

Year	Young
	Iran	Tanzania
2100	12.1%	23.4%
2099	12.2%	23.6%
2098	12.2%	23.8%
2097	12.3%	23.9%
2096	12.3%	24.1%
2095	12.4%	24.3%
2094	12.5%	24.5%
2093	12.6%	24.7%
2092	12.6%	24.8%
2091	12.7%	25%
2090	12.8%	25.2%
2089	12.8%	25.4%
2088	12.9%	25.6%
2087	12.9%	25.8%
2086	12.9%	26%
2085	13%	26.2%
2084	13%	26.4%
2083	12.9%	26.6%
2082	12.9%	26.8%
2081	12.9%	27.1%
2080	12.9%	27.3%
2079	12.8%	27.5%
2078	12.8%	27.7%
2077	12.8%	28%
2076	12.7%	28.2%
2075	12.7%	28.4%
2074	12.7%	28.7%
2073	12.7%	28.9%
2072	12.7%	29.1%
2071	12.7%	29.4%
2070	12.7%	29.6%
2069	12.8%	29.8%
2068	12.9%	30.1%
2067	13%	30.3%
2066	13.1%	30.6%
2065	13.2%	30.8%
2064	13.3%	31.1%
2063	13.5%	31.3%
2062	13.6%	31.6%
2061	13.8%	31.9%
2060	14%	32.1%
2059	14.1%	32.4%
2058	14.3%	32.7%
2057	14.4%	32.9%
2056	14.6%	33.2%
2055	14.7%	33.5%
2054	14.8%	33.8%
2053	14.9%	34.1%
2052	15%	34.3%
2051	15.1%	34.6%
2050	15.1%	34.9%
2049	15.2%	35.2%
2048	15.2%	35.5%
2047	15.2%	35.8%
2046	15.2%	36.1%
2045	15.3%	36.4%
2044	15.3%	36.7%
2043	15.4%	37%
2042	15.4%	37.3%
2041	15.5%	37.6%
2040	15.7%	37.9%
2039	15.8%	38.3%
2038	16%	38.6%
2037	16.3%	39%
2036	16.5%	39.3%
2035	16.8%	39.6%
2034	17.2%	40%
2033	17.7%	40.3%
2032	18.3%	40.7%
2031	19%	41%
2030	19.6%	41.3%
2029	20.2%	41.6%
2028	20.8%	41.8%
2027	21.3%	42.1%
2026	21.8%	42.2%
2025	22.2%	42.4%
2024	22.4%	42.5%
2023	22.8%	42.7%
2022	23.2%	42.9%
2021	23.6%	43.1%
2020	23.8%	43.4%
2019	23.9%	43.6%
2018	24%	43.8%
2017	23.9%	44%
2016	23.8%	44.2%
2015	23.6%	44.5%
2014	23.4%	44.8%
2013	23.3%	44.9%
2012	23.3%	45.1%
2011	23.3%	45.2%
2010	23.4%	45.3%
2009	23.7%	45.3%
2008	24%	45.1%
2007	24.6%	45%
2006	25.3%	44.9%
2005	26.2%	44.8%
2004	27.4%	44.7%
2003	28.7%	44.6%
2002	30.1%	44.6%
2001	31.7%	44.5%
2000	33.6%	44.6%
1999	35.4%	44.7%
1998	37.3%	44.7%
1997	39.1%	44.8%
1996	40.7%	44.7%
1995	42.1%	44.5%
1994	43.2%	44.9%
1993	43.6%	45.5%
1992	43.6%	46%
1991	43.9%	46.2%
1990	44.1%	46.3%
1989	44.2%	46.5%
1988	44%	46.7%
1987	43.9%	46.9%
1986	43.7%	47.2%
1985	43.5%	47.4%
1984	43.3%	47.5%
1983	43%	47.6%
1982	42.7%	47.5%
1981	42.9%	47.4%
1980	43.3%	47.2%
1979	43.1%	46.9%
1978	43%	46.7%
1977	42.9%	46.6%
1976	43%	46.5%
1975	43.2%	46.4%
1974	43.5%	46.3%
1973	43.8%	46.2%
1972	44.2%	46.1%
1971	44.4%	46.1%
1970	44.6%	46%
1969	44.7%	45.9%
1968	44.8%	45.8%
1967	44.8%	45.6%
1966	44.9%	45.4%
1965	45%	45.2%
1964	45%	45%
1963	44.9%	44.8%
1962	44.6%	44.8%
1961	44.1%	44.8%
1960	43.5%	44.9%

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.

Maternal mortality chart: Iran vs Tanzania

Chart Table

Iran

Tanzania

1x

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

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.

Under-five mortality rates

Chart Table

Iran

Tanzania

Probability that a newborn baby will die before reaching age five

1x

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

The chance that a newborn baby will die before reaching age five is 1.18% in Iran and 3.89% in Tanzania. Above is a chart with historical data on under-five mortality rates.