Fertility & birth rates in Costa Rica and Iran

Fertility rate in Costa Rica vs Iran chart

According to the latest available data on birth rates, the fertility rate in Costa Rica was 1.33 children per woman in 2023, compared to 1.7 in Iran in 2023. The replacement level is considered to be 2.1 children per woman.

Check Costa Rica vs Iran population clock for a dynamic visualization of the changing population.

The chart below showcases historical changes in the birth rates.

Table

Year	Fertility rate
	Costa Rica	Iran
1960	6.71	7.52
1961	6.65	7.46
1962	6.54	7.4
1963	6.39	7.32
1964	6.19	7.24
1965	5.96	7.22
1966	5.7	7.21
1967	5.42	7.19
1968	5.03	7.12
1969	4.84	7.01
1970	4.59	6.8
1971	4.36	6.55
1972	4.16	6.26
1973	3.99	6.06
1974	3.89	5.97
1975	3.8	5.95
1976	3.75	6.07
1977	3.7	6.18
1978	3.66	6.34
1979	3.65	6.55
1980	3.58	6.63
1981	3.56	6.62
1982	3.54	6.59
1983	3.53	6.53
1984	3.52	6.43
1985	3.51	6.24
1986	3.45	6.01
1987	3.38	5.72
1988	3.31	5.43
1989	3.24	5.17
1990	3.17	4.93
1991	3.08	4.57
1992	3	4.1
1993	2.93	3.67
1994	2.86	3.24
1995	2.78	2.85
1996	2.68	2.54
1997	2.59	2.32
1998	2.53	2.19
1999	2.48	2.09
2000	2.41	2
2001	2.31	1.92
2002	2.16	1.84
2003	2.08	1.8
2004	2.03	1.78
2005	2.04	1.76
2006	1.94	1.76
2007	1.95	1.75
2008	1.98	1.74
2009	1.95	1.74
2010	1.83	1.75
2011	1.88	1.79
2012	1.85	1.85
2013	1.78	1.91
2014	1.8	1.98
2015	1.8	2.02
2016	1.75	2.05
2017	1.71	2.02
2018	1.71	1.92
2019	1.6	1.77
2020	1.45	1.7
2021	1.35	1.71
2022	1.34	1.7
2023	1.33	1.7
2024	1.32	1.68
2025	1.31	1.67
2026	1.31	1.66
2027	1.31	1.65
2028	1.3	1.64
2029	1.31	1.64
2030	1.31	1.63
2031	1.31	1.63
2032	1.32	1.63
2033	1.32	1.63
2034	1.32	1.63
2035	1.33	1.63
2036	1.33	1.63
2037	1.34	1.63
2038	1.34	1.63
2039	1.35	1.63
2040	1.35	1.63
2041	1.35	1.63
2042	1.36	1.63
2043	1.36	1.63
2044	1.37	1.63
2045	1.37	1.63
2046	1.37	1.63
2047	1.38	1.63
2048	1.38	1.63
2049	1.38	1.63
2050	1.38	1.63

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Costa Rica	Iran
1960	46.4%	43.5%
1961	46.6%	44.1%
1962	46.7%	44.6%
1963	46.7%	44.9%
1964	46.6%	45%
1965	46.5%	45%
1966	46.3%	44.9%
1967	45.9%	44.8%
1968	45.5%	44.8%
1969	45%	44.7%
1970	44.4%	44.6%
1971	43.8%	44.4%
1972	43.1%	44.2%
1973	42.3%	43.8%
1974	41.5%	43.5%
1975	40.8%	43.2%
1976	40%	43%
1977	39.2%	42.9%
1978	38.6%	43%
1979	38%	43.1%
1980	37.5%	43.3%
1981	37.1%	42.9%
1982	36.7%	42.7%
1983	36.5%	43%
1984	36.4%	43.3%
1985	36.3%	43.5%
1986	36.3%	43.7%
1987	36.2%	43.9%
1988	36.2%	44%
1989	36.1%	44.2%
1990	36%	44.1%
1991	35.7%	43.9%
1992	35.4%	43.6%
1993	35%	43.6%
1994	34.6%	43.2%
1995	34.1%	42.1%
1996	33.6%	40.7%
1997	33%	39.1%
1998	32.4%	37.3%
1999	31.8%	35.4%
2000	31.1%	33.6%
2001	30.5%	31.7%
2002	29.8%	30.1%
2003	29.1%	28.7%
2004	28.4%	27.4%
2005	27.7%	26.2%
2006	27.1%	25.3%
2007	26.5%	24.6%
2008	25.9%	24%
2009	25.4%	23.7%
2010	24.9%	23.4%
2011	24.3%	23.3%
2012	23.9%	23.3%
2013	23.4%	23.3%
2014	23%	23.4%
2015	22.5%	23.6%
2016	22.1%	23.8%
2017	21.8%	23.9%
2018	21.4%	24%
2019	21.1%	23.9%
2020	20.7%	23.8%
2021	20.3%	23.6%
2022	19.8%	23.2%
2023	19.3%	22.8%
2024	18.8%	22.4%
2025	18.3%	22%
2026	17.8%	21.6%
2027	17.3%	21.1%
2028	16.9%	20.5%
2029	16.4%	19.9%
2030	16%	19.3%
2031	15.5%	18.6%
2032	15.1%	18%
2033	14.7%	17.4%
2034	14.4%	17%
2035	14.1%	16.7%
2036	13.9%	16.4%
2037	13.8%	16.2%
2038	13.7%	15.9%
2039	13.6%	15.8%
2040	13.5%	15.6%
2041	13.4%	15.5%
2042	13.3%	15.4%
2043	13.2%	15.3%
2044	13.2%	15.3%
2045	13.1%	15.2%
2046	13%	15.2%
2047	12.9%	15.2%
2048	12.8%	15.2%
2049	12.7%	15.1%
2050	12.6%	15.1%

Children aged 0-14 make up 18.8% of the population in Costa Rica and 22.4% in Iran in 2024, compared to 36% and 44.1% respectively in 1990.

Demographics of Costa Rica and Iran compared.

Natural population change in Costa Rica vs Iran by year

For the past 10 years, the annual natural population change (excluding migration) has been +0.74% in Costa Rica and +1.1% in Iran. 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
	Costa Rica	Iran
1960	48,857	584,060
1961	50,149	594,674
1962	51,046	595,538
1963	51,403	620,126
1964	51,435	635,589
1965	51,196	663,029
1966	50,755	695,040
1967	50,193	727,276
1968	48,361	743,992
1969	48,790	780,660
1970	48,398	794,612
1971	48,341	805,830
1972	48,417	804,043
1973	48,943	831,880
1974	50,349	873,369
1975	51,979	929,481
1976	54,019	1,013,347
1977	56,122	1,091,542
1978	58,327	1,156,974
1979	60,984	1,294,306
1980	62,561	1,361,293
1981	64,632	1,376,830
1982	66,826	1,514,240
1983	68,972	1,573,612
1984	71,062	1,653,051
1985	72,776	1,661,750
1986	73,211	1,659,289
1987	73,188	1,639,644
1988	72,944	1,614,512
1989	72,327	1,609,739
1990	71,727	1,530,434
1991	70,506	1,495,594
1992	69,830	1,365,466
1993	69,016	1,219,658
1994	68,336	1,008,076
1995	67,585	879,648
1996	66,094	784,508
1997	64,954	726,574
1998	64,788	717,655
1999	64,922	723,237
2000	64,268	731,203
2001	62,199	743,658
2002	58,388	752,205
2003	56,743	732,600
2004	55,769	801,203
2005	57,139	837,305
2006	54,177	884,529
2007	55,244	919,254
2008	56,491	940,983
2009	55,757	958,322
2010	50,803	980,380
2011	52,884	1,023,925
2012	52,036	1,073,804
2013	49,227	1,119,533
2014	49,559	1,158,552
2015	49,077	1,178,317
2016	45,565	1,186,949
2017	43,471	1,140,549
2018	42,469	1,035,052
2019	37,682	893,063
2020	29,164	663,978
2021	20,119	645,725
2022	21,409	753,525
2023	24,109	750,150

Maternal mortality chart: Costa Rica vs Iran

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 24 deaths per 100,000 live births in Costa Rica, compared to 16 deaths in Iran.

Table

Year	Maternal mortality per 100K births
	Costa Rica	Iran
1985	43	160
1986	42	148
1987	41	136
1988	40	126
1989	40	113
1990	40	107
1991	39	94
1992	39	86
1993	39	80
1994	39	71
1995	39	65
1996	39	59
1997	38	55
1998	37	50
1999	36	46
2000	36	43
2001	35	40
2002	34	38
2003	33	37
2004	33	34
2005	31	33
2006	30	32
2007	30	31
2008	30	30
2009	29	28
2010	29	27
2011	28	26
2012	27	25
2013	27	24
2014	27	23
2015	26	22
2016	27	21
2017	27	20
2018	28	19
2019	26	18
2020	34	34
2021	44	51
2022	27	21
2023	24	16

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 1.05% in Costa Rica and 1.18% in Iran. 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
	Costa Rica	Iran
1960	9.62%	-
1961	9.36%	-
1962	9.27%	-
1963	9.25%	-
1964	9.18%	-
1965	9.02%	-
1966	8.78%	-
1967	8.49%	-
1968	8.17%	-
1969	7.85%	-
1970	7.48%	-
1971	7.02%	18.9%
1972	6.45%	18%
1973	5.82%	17.1%
1974	5.17%	16.2%
1975	4.54%	15.3%
1976	3.93%	14.4%
1977	3.39%	13.5%
1978	2.96%	12.6%
1979	2.65%	11.7%
1980	2.45%	10.8%
1981	2.33%	10%
1982	2.29%	9.3%
1983	2.27%	8.67%
1984	2.25%	8.13%
1985	2.2%	7.64%
1986	2.12%	7.2%
1987	2.01%	6.8%
1988	1.89%	6.42%
1989	1.78%	6.07%
1990	1.69%	5.76%
1991	1.62%	5.48%
1992	1.57%	5.22%
1993	1.53%	5%
1994	1.51%	4.79%
1995	1.49%	4.59%
1996	1.47%	4.4%
1997	1.45%	4.21%
1998	1.41%	4.02%
1999	1.36%	3.83%
2000	1.31%	3.63%
2001	1.26%	3.42%
2002	1.22%	3.22%
2003	1.18%	3.02%
2004	1.15%	2.83%
2005	1.13%	2.65%
2006	1.12%	2.48%
2007	1.11%	2.32%
2008	1.09%	2.17%
2009	1.07%	2.04%
2010	1.05%	1.93%
2011	1.02%	1.84%
2012	0.98%	1.75%
2013	0.95%	1.68%
2014	0.92%	1.61%
2015	0.9%	1.55%
2016	0.89%	1.5%
2017	0.89%	1.45%
2018	0.89%	1.39%
2019	0.91%	1.35%
2020	0.94%	1.3%
2021	0.97%	1.26%
2022	1.01%	1.22%
2023	1.05%	1.18%