Fertility & birth rates in Mongolia and Nigeria

Fertility rate in Mongolia vs Nigeria chart

According to the latest available data on birth rates, the fertility rate in Mongolia was 2.7 children per woman in 2023, compared to 4.48 in Nigeria in 2023. The replacement level is considered to be 2.1 children per woman.

Check Mongolia vs Nigeria population clock for a dynamic visualization of the changing population.

The chart below showcases historical changes in the birth rates.

Table

Year	Fertility rate
	Mongolia	Nigeria
1960	6.82	6.36
1961	6.96	6.35
1962	7.1	6.36
1963	7.24	6.35
1964	7.33	6.36
1965	7.38	6.37
1966	7.41	6.39
1967	7.39	6.4
1968	7.37	6.42
1969	7.34	6.44
1970	7.31	6.47
1971	7.3	6.53
1972	7.28	6.58
1973	7.24	6.63
1974	7.17	6.7
1975	7.07	6.77
1976	6.93	6.81
1977	6.79	6.86
1978	6.62	6.92
1979	6.42	6.89
1980	6.21	6.85
1981	5.98	6.82
1982	5.8	6.8
1983	5.63	6.78
1984	5.45	6.7
1985	5.26	6.62
1986	5.03	6.56
1987	4.83	6.5
1988	4.65	6.5
1989	4.42	6.49
1990	4.5	6.46
1991	4	6.43
1992	3.5	6.39
1993	2.5	6.35
1994	2.7	6.32
1995	2.77	6.27
1996	2.5	6.22
1997	2.4	6.14
1998	2.3	6.07
1999	2.3	6.08
2000	2.2	6.12
2001	2.2	6.13
2002	2.1	6.12
2003	2	6.1
2004	2	6.09
2005	2	6.06
2006	2.1	6.05
2007	2.3	6.03
2008	2.6	6.02
2009	2.8	5.99
2010	2.4	5.95
2011	2.6	5.89
2012	2.7	5.8
2013	3	5.69
2014	3.1	5.62
2015	3	5.5
2016	3	5.34
2017	2.8	5.18
2018	2.9	5.02
2019	3	4.86
2020	2.9	4.7
2021	2.8	4.64
2022	2.7	4.55
2023	2.7	4.48
2024	2.65	4.38
2025	2.6	4.3
2026	2.55	4.2
2027	2.51	4.1
2028	2.47	4.01
2029	2.44	3.92
2030	2.4	3.82
2031	2.37	3.73
2032	2.34	3.65
2033	2.31	3.56
2034	2.29	3.48
2035	2.26	3.41
2036	2.23	3.34
2037	2.21	3.27
2038	2.19	3.21
2039	2.17	3.16
2040	2.15	3.1
2041	2.13	3.04
2042	2.11	2.99
2043	2.09	2.94
2044	2.08	2.89
2045	2.06	2.85
2046	2.05	2.8
2047	2.04	2.76
2048	2.02	2.73
2049	2.01	2.69
2050	2	2.66

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Mongolia	Nigeria
1960	38.1%	41.1%
1961	38.8%	41.1%
1962	39.6%	41.1%
1963	40.4%	41.2%
1964	41.4%	41.4%
1965	42.4%	41.5%
1966	43.3%	41.7%
1967	44.2%	41.8%
1968	44.9%	42%
1969	45.4%	42.2%
1970	45.6%	42.4%
1971	45.8%	42.5%
1972	45.8%	42.8%
1973	45.8%	43%
1974	45.6%	43.2%
1975	45.4%	43.4%
1976	45.2%	43.7%
1977	44.8%	43.9%
1978	44.5%	44.2%
1979	44.1%	44.4%
1980	43.7%	44.6%
1981	43.3%	44.8%
1982	43%	45%
1983	42.7%	45.2%
1984	42.5%	45.4%
1985	42.3%	45.5%
1986	42.1%	45.6%
1987	42%	45.6%
1988	41.8%	45.5%
1989	41.7%	45.5%
1990	41.4%	45.3%
1991	41%	45.2%
1992	40.5%	45%
1993	40%	44.8%
1994	39.5%	44.6%
1995	39%	44.4%
1996	38.4%	44.2%
1997	37.8%	44.1%
1998	37%	43.9%
1999	36.2%	43.8%
2000	35.2%	43.7%
2001	34.1%	43.7%
2002	32.9%	43.8%
2003	31.8%	43.8%
2004	30.8%	43.9%
2005	29.9%	44%
2006	29.1%	44.1%
2007	28.5%	44.2%
2008	28.1%	44.3%
2009	27.9%	44.4%
2010	27.9%	44.4%
2011	28%	44.5%
2012	28.1%	44.5%
2013	28.5%	44.5%
2014	28.9%	44.4%
2015	29.5%	44.3%
2016	30.2%	44.1%
2017	30.9%	43.9%
2018	31.6%	43.6%
2019	32.3%	43.2%
2020	32.8%	42.8%
2021	32.9%	42.4%
2022	32.9%	42%
2023	32.6%	41.5%
2024	32.2%	41%
2025	31.6%	40.5%
2026	30.9%	40%
2027	30.1%	39.5%
2028	29.2%	39%
2029	28.2%	38.5%
2030	27.3%	38%
2031	26.3%	37.6%
2032	25.6%	37.2%
2033	24.9%	36.8%
2034	24.3%	36.5%
2035	23.8%	36.2%
2036	23.4%	35.9%
2037	23.1%	35.5%
2038	23%	35.2%
2039	22.9%	34.9%
2040	22.8%	34.5%
2041	22.9%	34.2%
2042	22.9%	33.8%
2043	23%	33.5%
2044	23.1%	33.1%
2045	23.2%	32.8%
2046	23.3%	32.4%
2047	23.4%	32%
2048	23.4%	31.6%
2049	23.4%	31.3%
2050	23.3%	30.9%

Children aged 0-14 make up 32.2% of the population in Mongolia and 41% in Nigeria in 2024, compared to 41.4% and 45.3% respectively in 1990.

Demographics of Mongolia and Nigeria compared.

Natural population change in Mongolia vs Nigeria by year

For the past 10 years, the annual natural population change (excluding migration) has been +1.81% in Mongolia and +2.29% in Nigeria. 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
	Mongolia	Nigeria
1960	20,726	901,301
1961	21,873	932,111
1962	22,960	966,452
1963	24,142	995,116
1964	25,317	1,028,272
1965	26,364	1,061,840
1966	27,338	1,095,582
1967	28,178	1,082,884
1968	29,017	1,168,254
1969	29,781	1,213,484
1970	30,558	1,295,507
1971	31,536	1,373,896
1972	32,727	1,448,928
1973	33,993	1,525,485
1974	35,297	1,624,813
1975	36,490	1,718,623
1976	37,670	1,827,289
1977	38,995	1,923,917
1978	40,276	2,019,621
1979	41,568	2,074,807
1980	42,343	2,121,618
1981	43,588	2,179,884
1982	45,179	2,233,401
1983	46,919	2,292,089
1984	48,562	2,278,060
1985	49,944	2,289,784
1986	50,329	2,295,003
1987	51,140	2,322,397
1988	51,588	2,376,419
1989	51,420	2,452,324
1990	49,443	2,491,928
1991	47,884	2,527,807
1992	42,437	2,596,173
1993	36,924	2,673,675
1994	34,711	2,735,198
1995	34,473	2,830,771
1996	33,741	2,882,205
1997	32,403	2,936,500
1998	31,757	3,003,946
1999	32,283	3,155,425
2000	32,753	3,343,196
2001	32,052	3,478,370
2002	30,439	3,606,814
2003	28,827	3,751,120
2004	28,418	3,877,376
2005	29,290	4,013,788
2006	33,609	4,135,703
2007	39,636	4,265,428
2008	45,843	4,412,976
2009	48,876	4,528,149
2010	44,914	4,629,173
2011	50,711	4,728,363
2012	55,942	4,774,508
2013	62,618	4,811,751
2014	66,078	4,862,319
2015	64,473	4,823,045
2016	62,086	4,761,594
2017	57,940	4,706,183
2018	60,635	4,659,898
2019	61,433	4,609,941
2020	60,888	4,525,164
2021	52,109	4,641,562
2022	47,730	4,739,502
2023	46,995	4,834,309

Maternal mortality chart: Mongolia vs Nigeria

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 41 deaths per 100,000 live births in Mongolia, compared to 993 deaths in Nigeria.

Table

Year	Maternal mortality per 100K births
	Mongolia	Nigeria
1985	352	1,344
1986	346	1,363
1987	341	1,351
1988	335	1,332
1989	311	1,304
1990	276	1,285
1991	227	1,282
1992	199	1,246
1993	181	1,200
1994	178	1,193
1995	176	1,186
1996	178	1,185
1997	180	1,184
1998	174	1,189
1999	162	1,165
2000	144	1,136
2001	130	1,130
2002	120	1,117
2003	114	1,090
2004	108	1,075
2005	99	1,060
2006	90	1,067
2007	81	1,063
2008	77	1,081
2009	75	1,088
2010	71	1,094
2011	67	1,108
2012	63	1,124
2013	59	1,146
2014	56	1,155
2015	52	1,168
2016	48	1,155
2017	45	1,142
2018	45	1,118
2019	45	1,091
2020	47	1,065
2021	63	1,046
2022	41	1,016
2023	41	993

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 1.36% in Mongolia and 10.5% in Nigeria. 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
	Mongolia	Nigeria
1964	-	32.7%
1965	-	32%
1966	-	31.3%
1967	-	30.7%
1968	-	30%
1969	-	29.3%
1970	-	28.5%
1971	-	27.7%
1972	-	26.9%
1973	-	26.1%
1974	-	25.2%
1975	-	24.4%
1976	-	23.6%
1977	-	22.9%
1978	17.3%	22.3%
1979	16.7%	21.8%
1980	16.1%	21.3%
1981	15.5%	21%
1982	15%	20.8%
1983	14.4%	20.7%
1984	13.9%	20.7%
1985	13.4%	20.8%
1986	12.8%	20.9%
1987	12.2%	20.9%
1988	11.7%	21%
1989	11.1%	21%
1990	10.7%	21%
1991	10.2%	20.9%
1992	9.78%	20.8%
1993	9.39%	20.7%
1994	9%	20.6%
1995	8.6%	20.4%
1996	8.19%	20.1%
1997	7.74%	19.7%
1998	7.27%	19.3%
1999	6.78%	18.8%
2000	6.29%	18.2%
2001	5.8%	17.7%
2002	5.32%	17.1%
2003	4.87%	16.5%
2004	4.45%	16%
2005	4.07%	15.5%
2006	3.71%	15%
2007	3.39%	14.5%
2008	3.11%	14.1%
2009	2.85%	13.8%
2010	2.63%	13.5%
2011	2.44%	13.3%
2012	2.28%	13.1%
2013	2.15%	12.9%
2014	2.04%	12.8%
2015	1.94%	12.6%
2016	1.84%	12.5%
2017	1.74%	12.3%
2018	1.64%	12%
2019	1.56%	11.8%
2020	1.48%	11.4%
2021	1.43%	11.1%
2022	1.39%	10.8%
2023	1.36%	10.5%