Fertility & birth rates in Iran and Tonga

Fertility rate in Iran vs Tonga by year

Chart Table

Iran

Tonga

1x

Year	Fertility rate
	Iran	Tonga
2023	1.7	3.13
2022	1.7	3.17
2021	1.71	3.2
2020	1.7	3.23
2019	1.77	3.27
2018	1.92	3.33
2017	2.02	3.39
2016	2.05	3.46
2015	2.02	3.54
2014	1.98	3.62
2013	1.91	3.7
2012	1.85	3.77
2011	1.79	3.83
2010	1.75	3.88
2009	1.74	3.95
2008	1.74	4.01
2007	1.75	4.09
2006	1.76	4.14
2005	1.76	4.2
2004	1.78	4.19
2003	1.8	4.18
2002	1.84	4.14
2001	1.92	4.13
2000	2	4.16
1999	2.09	4.23
1998	2.19	4.31
1997	2.32	4.38
1996	2.54	4.46
1995	2.85	4.56
1994	3.24	4.66
1993	3.67	4.73
1992	4.1	4.79
1991	4.57	4.85
1990	4.93	4.93
1989	5.17	5.01
1988	5.43	5.1
1987	5.72	5.19
1986	6.01	5.27
1985	6.24	5.34
1984	6.43	5.41
1983	6.53	5.45
1982	6.59	5.5
1981	6.62	5.55
1980	6.63	5.6
1979	6.55	5.65
1978	6.34	5.68
1977	6.18	5.7
1976	6.07	5.73
1975	5.95	5.75
1974	5.97	5.77
1973	6.06	5.8
1972	6.26	5.86
1971	6.55	5.96
1970	6.8	6.07
1969	7.01	6.17
1968	7.12	6.23
1967	7.19	6.29
1966	7.21	6.35
1965	7.22	6.41
1964	7.24	6.46
1963	7.32	6.52
1962	7.4	6.57
1961	7.46	6.61
1960	7.52	6.65

According to the latest available data on birth rates, the fertility rate in Iran was 1.7 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 Iran vs Tonga population clock for a dynamic visualization of the changing population.

Natural population change by year

Chart Table

Iran

Tonga

1x

Year	Natural population change
	Iran	Tonga
2023	750,150	1,744
2022	753,525	1,772
2021	645,725	1,773
2020	663,978	1,816
2019	893,063	1,841
2018	1,035,052	1,873
2017	1,140,549	1,912
2016	1,186,949	1,989
2015	1,178,317	2,064
2014	1,158,552	2,135
2013	1,119,533	2,199
2012	1,073,804	2,255
2011	1,023,925	2,298
2010	980,380	2,332
2009	958,322	2,358
2008	940,983	2,397
2007	919,254	2,423
2006	884,529	2,459
2005	837,305	2,495
2004	801,203	2,478
2003	732,600	2,448
2002	752,205	2,396
2001	743,658	2,358
2000	731,203	2,346
1999	723,237	2,352
1998	717,655	2,344
1997	726,574	2,332
1996	784,508	2,393
1995	879,648	2,476
1994	1,008,076	2,547
1993	1,219,658	2,594
1992	1,365,466	2,622
1991	1,495,594	2,637
1990	1,530,434	2,641
1989	1,609,739	2,644
1988	1,614,512	2,649
1987	1,639,644	2,646
1986	1,659,289	2,704
1985	1,661,750	2,762
1984	1,653,051	2,814
1983	1,573,612	2,840
1982	1,514,240	2,853
1981	1,376,830	2,882
1980	1,361,293	2,885
1979	1,294,306	2,884
1978	1,156,974	2,862
1977	1,091,542	2,822
1976	1,013,347	2,769
1975	929,481	2,709
1974	873,369	2,650
1973	831,880	2,617
1972	804,043	2,605
1971	805,830	2,611
1970	794,612	2,628
1969	780,660	2,632
1968	743,992	2,614
1967	727,276	2,603
1966	695,040	2,550
1965	663,029	2,498
1964	635,589	2,445
1963	620,126	2,394
1962	595,538	2,343
1961	594,674	2,284
1960	584,060	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 +0.83% in Iran and +1.67% in Tonga.

For the past 10 years, the annual natural population change has been +1.1% in Iran and +1.79% in Tonga.

Birth rate in Iran vs Tonga by year

Chart Table

Iran

Tonga

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Iran	Tonga
2023	13	23.1
2022	13.3	23.4
2021	13.7	23.5
2020	14	23.6
2019	14.9	23.8
2018	16.7	24.1
2017	18	24.5
2016	18.8	25.2
2015	18.9	25.8
2014	18.8	26.4
2013	18.5	26.9
2012	18.1	27.3
2011	17.7	27.7
2010	17.3	28
2009	17.2	28.4
2008	17.1	28.7
2007	17	29
2006	16.7	29.5
2005	16.4	30
2004	16.2	30
2003	15.9	29.9
2002	15.9	29.5
2001	15.9	29.4
2000	16	29.4
1999	16.1	29.6
1998	16.2	29.7
1997	16.6	29.8
1996	17.7	30.6
1995	19.5	31.4
1994	22	32.2
1993	25.7	32.7
1992	28.3	33
1991	31.2	33.2
1990	33.5	33.3
1989	35.2	33.4
1988	37	33.5
1987	38.8	33.7
1986	40.7	34.4
1985	42.4	34.9
1984	43.9	35.4
1983	44.7	35.6
1982	45.2	35.8
1981	44.2	36
1980	45.1	36.1
1979	44.7	36.1
1978	43.4	36
1977	42.2	35.7
1976	41.4	35.6
1975	40.3	35.8
1974	40	36
1973	40.1	36.5
1972	40.9	37
1971	42.4	37.8
1970	43.6	38.8
1969	44.7	39.6
1968	45.3	40.3
1967	45.8	41
1966	46	41.4
1965	46.3	41.9
1964	46.7	42.4
1963	47.7	42.9
1962	48.8	43.4
1961	49.8	43.9
1960	51	44.3

The latest reported birth rate per 1,000 people in 2023 was 13 in Iran and 23.1 in Tonga, compared with 51 and 44.3, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Iran

Factual

UN forecast

Tonga

Factual

UN forecast

1x

Year	Young
	Iran	Tonga
2100	12.1%	17.5%
2099	12.2%	17.6%
2098	12.2%	17.7%
2097	12.3%	17.7%
2096	12.3%	17.9%
2095	12.4%	18%
2094	12.5%	18.1%
2093	12.6%	18.3%
2092	12.6%	18.4%
2091	12.7%	18.6%
2090	12.8%	18.8%
2089	12.8%	19%
2088	12.9%	19.3%
2087	12.9%	19.5%
2086	12.9%	19.7%
2085	13%	20%
2084	13%	20.2%
2083	12.9%	20.4%
2082	12.9%	20.7%
2081	12.9%	20.9%
2080	12.9%	21.1%
2079	12.8%	21.3%
2078	12.8%	21.5%
2077	12.8%	21.7%
2076	12.7%	21.9%
2075	12.7%	22%
2074	12.7%	22.2%
2073	12.7%	22.3%
2072	12.7%	22.4%
2071	12.7%	22.6%
2070	12.7%	22.7%
2069	12.8%	22.8%
2068	12.9%	23%
2067	13%	23.2%
2066	13.1%	23.4%
2065	13.2%	23.6%
2064	13.3%	23.8%
2063	13.5%	24.1%
2062	13.6%	24.4%
2061	13.8%	24.7%
2060	14%	25%
2059	14.1%	25.4%
2058	14.3%	25.8%
2057	14.4%	26.2%
2056	14.6%	26.6%
2055	14.7%	27%
2054	14.8%	27.4%
2053	14.9%	27.8%
2052	15%	28.2%
2051	15.1%	28.5%
2050	15.1%	28.9%
2049	15.2%	29.1%
2048	15.2%	29.4%
2047	15.2%	29.6%
2046	15.2%	29.7%
2045	15.3%	29.8%
2044	15.3%	29.9%
2043	15.4%	30%
2042	15.4%	30.1%
2041	15.5%	30.1%
2040	15.7%	30.2%
2039	15.8%	30.2%
2038	16%	30.3%
2037	16.3%	30.4%
2036	16.5%	30.6%
2035	16.8%	30.7%
2034	17.2%	30.9%
2033	17.7%	31.1%
2032	18.3%	31.4%
2031	19%	31.8%
2030	19.6%	32.3%
2029	20.2%	33%
2028	20.8%	33.6%
2027	21.3%	34.1%
2026	21.8%	34.6%
2025	22.2%	35.2%
2024	22.4%	35.4%
2023	22.8%	35.6%
2022	23.2%	35.6%
2021	23.6%	35.7%
2020	23.8%	35.8%
2019	23.9%	36%
2018	24%	36.2%
2017	23.9%	36.4%
2016	23.8%	36.5%
2015	23.6%	36.7%
2014	23.4%	36.9%
2013	23.3%	37.1%
2012	23.3%	37.2%
2011	23.3%	37.4%
2010	23.4%	37.6%
2009	23.7%	37.8%
2008	24%	38%
2007	24.6%	38.3%
2006	25.3%	38.3%
2005	26.2%	38.3%
2004	27.4%	38.2%
2003	28.7%	38.1%
2002	30.1%	38.1%
2001	31.7%	38.2%
2000	33.6%	38.3%
1999	35.4%	38.6%
1998	37.3%	38.9%
1997	39.1%	39.3%
1996	40.7%	39.7%
1995	42.1%	39.9%
1994	43.2%	40.1%
1993	43.6%	40.3%
1992	43.6%	40.5%
1991	43.9%	40.6%
1990	44.1%	40.8%
1989	44.2%	40.9%
1988	44%	41.2%
1987	43.9%	41.5%
1986	43.7%	41.7%
1985	43.5%	42%
1984	43.3%	42.4%
1983	43%	42.9%
1982	42.7%	43.4%
1981	42.9%	43.9%
1980	43.3%	44.3%
1979	43.1%	44.8%
1978	43%	45.3%
1977	42.9%	45.8%
1976	43%	46.1%
1975	43.2%	46.2%
1974	43.5%	46.2%
1973	43.8%	46.2%
1972	44.2%	46.3%
1971	44.4%	46.4%
1970	44.6%	46.4%
1969	44.7%	46.3%
1968	44.8%	46.2%
1967	44.8%	46%
1966	44.9%	45.9%
1965	45%	45.9%
1964	45%	45.9%
1963	44.9%	45.9%
1962	44.6%	45.8%
1961	44.1%	45.7%
1960	43.5%	45.7%

Children aged 0-14 make up 22.4% of the population in Iran and 35.4% in Tonga in 2024, compared to 44.1% and 40.8% respectively in 1990.

Demographics of Iran and Tonga compared.

Maternal mortality chart: Iran vs Tonga

Chart Table

Iran

Tonga

1x

Year	Maternal mortality per 100K births
	Iran	Tonga
2023	16	67
2022	21	72
2021	51	76
2020	34	74
2019	18	73
2018	19	74
2017	20	77
2016	21	78
2015	22	79
2014	23	80
2013	24	80
2012	25	83
2011	26	84
2010	27	85
2009	28	91
2008	30	88
2007	31	88
2006	32	89
2005	33	92
2004	34	92
2003	37	95
2002	38	98
2001	40	98
2000	43	100
1999	46	99
1998	50	104
1997	55	111
1996	59	113
1995	65	117
1994	71	123
1993	80	127
1992	86	129
1991	94	134
1990	107	138
1989	113	139
1988	126	145
1987	136	147
1986	148	149
1985	160	148

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 67 deaths in Tonga.

Under-five mortality rates

Chart Table

Iran

Tonga

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Iran	Tonga
2023	1.18%	0.99%
2022	1.22%	1.02%
2021	1.26%	1.05%
2020	1.3%	1.08%
2019	1.35%	1.1%
2018	1.39%	1.12%
2017	1.45%	1.15%
2016	1.5%	1.17%
2015	1.55%	1.19%
2014	1.61%	1.22%
2013	1.68%	1.24%
2012	1.75%	1.26%
2011	1.84%	1.29%
2010	1.93%	1.31%
2009	2.04%	1.34%
2008	2.17%	1.37%
2007	2.32%	1.41%
2006	2.48%	1.44%
2005	2.65%	1.48%
2004	2.83%	1.52%
2003	3.02%	1.56%
2002	3.22%	1.61%
2001	3.42%	1.65%
2000	3.63%	1.7%
1999	3.83%	1.74%
1998	4.02%	1.78%
1997	4.21%	1.81%
1996	4.4%	1.85%
1995	4.59%	1.89%
1994	4.79%	1.94%
1993	5%	2%
1992	5.22%	2.06%
1991	5.48%	2.14%
1990	5.76%	2.21%
1989	6.07%	2.29%
1988	6.42%	2.37%
1987	6.8%	2.44%
1986	7.2%	2.51%
1985	7.64%	2.57%
1984	8.13%	2.63%
1983	8.67%	2.7%
1982	9.3%	2.78%
1981	10%	2.87%
1980	10.8%	2.97%
1979	11.7%	3.09%
1978	12.6%	3.22%
1977	13.5%	3.37%
1976	14.4%	3.53%
1975	15.3%	3.71%
1974	16.2%	3.9%
1973	17.1%	4.11%
1972	18%	4.35%
1971	18.9%	4.61%
1970	-	4.91%
1969	-	5.25%
1968	-	5.63%
1967	-	6.03%
1966	-	6.45%
1965	-	6.89%
1964	-	7.35%
1963	-	7.83%

The chance that a newborn baby will die before reaching age five is 1.18% in Iran and 0.99% in Tonga. Above is a chart with historical data on under-five mortality rates.