Fertility & birth rates in Portugal and Sierra Leone

Fertility rate in Portugal vs Sierra Leone chart

According to the latest available data on birth rates, the fertility rate in Portugal was 1.44 children per woman in 2023, compared to 3.79 in Sierra Leone in 2023. The replacement level is considered to be 2.1 children per woman.

Check Portugal vs Sierra Leone population clock for a dynamic visualization of the changing population.

The chart below showcases historical changes in the birth rates.

Table

Year	Fertility rate
	Portugal	Sierra Leone
1960	3.16	6.18
1961	3.21	6.21
1962	3.23	6.22
1963	3.12	6.26
1964	3.21	6.29
1965	3.15	6.31
1966	3.16	6.35
1967	3.16	6.38
1968	3.12	6.39
1969	3.12	6.39
1970	3.01	6.41
1971	3	6.43
1972	2.86	6.45
1973	2.77	6.47
1974	2.7	6.53
1975	2.75	6.55
1976	2.82	6.55
1977	2.69	6.57
1978	2.45	6.59
1979	2.31	6.58
1980	2.25	6.56
1981	2.13	6.55
1982	2.07	6.56
1983	1.95	6.57
1984	1.9	6.59
1985	1.72	6.59
1986	1.66	6.6
1987	1.62	6.61
1988	1.61	6.59
1989	1.57	6.57
1990	1.56	6.57
1991	1.56	6.55
1992	1.54	6.56
1993	1.52	6.57
1994	1.45	6.56
1995	1.41	6.56
1996	1.44	6.55
1997	1.47	6.53
1998	1.47	6.5
1999	1.5	6.42
2000	1.55	6.36
2001	1.45	6.31
2002	1.46	6.23
2003	1.44	6.09
2004	1.4	5.92
2005	1.41	5.81
2006	1.37	5.74
2007	1.35	5.64
2008	1.39	5.56
2009	1.34	5.45
2010	1.39	5.33
2011	1.35	5.21
2012	1.28	5.06
2013	1.21	4.87
2014	1.24	4.7
2015	1.31	4.55
2016	1.37	4.47
2017	1.38	4.39
2018	1.42	4.29
2019	1.44	4.19
2020	1.42	4.08
2021	1.35	3.98
2022	1.43	3.88
2023	1.44	3.79
2024	1.45	3.7
2025	1.45	3.61
2026	1.45	3.53
2027	1.46	3.47
2028	1.46	3.37
2029	1.46	3.3
2030	1.46	3.23
2031	1.47	3.18
2032	1.47	3.12
2033	1.47	3.07
2034	1.48	3.02
2035	1.48	2.97
2036	1.48	2.92
2037	1.48	2.88
2038	1.49	2.84
2039	1.49	2.79
2040	1.49	2.76
2041	1.49	2.72
2042	1.49	2.68
2043	1.49	2.65
2044	1.5	2.62
2045	1.5	2.58
2046	1.5	2.55
2047	1.5	2.53
2048	1.5	2.5
2049	1.5	2.47
2050	1.5	2.45

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Portugal	Sierra Leone
1960	29.3%	38.2%
1961	29.1%	38.3%
1962	29.1%	38.3%
1963	29.1%	38.5%
1964	29.1%	38.8%
1965	29.1%	39.1%
1966	29.2%	39.4%
1967	29.2%	39.6%
1968	29.2%	39.9%
1969	29.1%	40.1%
1970	28.7%	40.3%
1971	28.4%	40.6%
1972	28.2%	40.7%
1973	27.9%	40.9%
1974	27.7%	41.1%
1975	27.4%	41.3%
1976	27.2%	41.4%
1977	27.1%	41.6%
1978	26.8%	41.7%
1979	26.4%	41.8%
1980	25.9%	41.9%
1981	25.4%	42%
1982	25%	42.1%
1983	24.5%	42.2%
1984	24.1%	42.3%
1985	23.7%	42.5%
1986	23.1%	42.6%
1987	22.5%	42.7%
1988	21.9%	42.8%
1989	21.2%	42.9%
1990	20.5%	42.9%
1991	19.7%	43%
1992	19.1%	43.1%
1993	18.6%	43.2%
1994	18.2%	43.3%
1995	17.8%	43.4%
1996	17.4%	43.5%
1997	17.1%	43.5%
1998	16.8%	43.6%
1999	16.6%	43.7%
2000	16.4%	43.8%
2001	16.2%	43.9%
2002	16.1%	43.9%
2003	16.1%	43.9%
2004	16%	43.9%
2005	15.9%	43.8%
2006	15.8%	43.7%
2007	15.6%	43.6%
2008	15.5%	43.5%
2009	15.4%	43.4%
2010	15.2%	43.2%
2011	15%	43%
2012	14.9%	42.8%
2013	14.8%	42.5%
2014	14.6%	42.2%
2015	14.3%	41.8%
2016	14.1%	41.4%
2017	13.9%	41%
2018	13.7%	40.6%
2019	13.5%	40.2%
2020	13.3%	39.8%
2021	13.1%	39.4%
2022	13%	39%
2023	12.9%	38.5%
2024	12.8%	38.1%
2025	12.7%	37.7%
2026	12.6%	37.2%
2027	12.6%	36.8%
2028	12.6%	36.3%
2029	12.6%	35.9%
2030	12.7%	35.5%
2031	12.7%	35.2%
2032	12.7%	34.8%
2033	12.7%	34.4%
2034	12.7%	34%
2035	12.8%	33.6%
2036	12.9%	33.2%
2037	12.9%	32.8%
2038	13%	32.4%
2039	13%	32%
2040	13.1%	31.6%
2041	13.1%	31.2%
2042	13.2%	30.9%
2043	13.2%	30.5%
2044	13.3%	30.2%
2045	13.3%	29.8%
2046	13.4%	29.5%
2047	13.4%	29.2%
2048	13.4%	28.8%
2049	13.5%	28.5%
2050	13.5%	28.2%

Children aged 0-14 make up 12.8% of the population in Portugal and 38.1% in Sierra Leone in 2024, compared to 20.5% and 42.9% respectively in 1990.

Demographics of Portugal and Sierra Leone compared.

Natural population change in Portugal vs Sierra Leone by year

For the past 10 years, the annual natural population change (excluding migration) has been -0.29% in Portugal and +2.31% in Sierra Leone. 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
	Portugal	Sierra Leone
1960	118,693	38,192
1961	117,867	40,022
1962	123,217	41,603
1963	113,783	43,569
1964	120,170	45,487
1965	115,182	47,223
1966	107,171	49,486
1967	106,495	51,734
1968	100,737	53,126
1969	89,329	54,768
1970	87,672	56,513
1971	82,980	58,484
1972	83,715	60,279
1973	76,835	62,443
1974	74,412	65,357
1975	81,841	67,560
1976	85,138	69,506
1977	84,156	71,663
1978	70,731	74,130
1979	67,628	75,992
1980	63,481	77,932
1981	56,152	80,111
1982	58,479	82,457
1983	47,798	84,628
1984	45,983	87,072
1985	33,077	88,869
1986	31,102	90,902
1987	28,084	94,235
1988	24,047	96,344
1989	22,011	98,298
1990	13,976	100,778
1991	12,948	105,477
1992	13,933	103,251
1993	7,972	103,317
1994	9,991	101,486
1995	4,011	100,885
1996	4,026	104,140
1997	8,087	105,433
1998	7,112	103,906
1999	8,175	102,295
2000	15,435	110,754
2001	8,290	116,647
2002	8,335	126,429
2003	4,184	130,312
2004	7,339	132,661
2005	2,101	137,234
2006	3,156	144,127
2007	-1,055	145,740
2008	0	149,855
2009	-5,284	152,669
2010	-4,230	155,338
2011	-5,279	158,858
2012	-17,875	160,915
2013	-24,052	161,265
2014	-22,882	160,137
2015	-23,823	162,275
2016	-23,749	168,784
2017	-23,691	173,259
2018	-25,709	178,772
2019	-24,687	181,068
2020	-39,129	181,015
2021	-45,592	183,326
2022	-40,694	186,625
2023	-32,792	188,788

Maternal mortality chart: Portugal vs Sierra Leone

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 15 deaths per 100,000 live births in Portugal, compared to 354 deaths in Sierra Leone.

Table

Year	Maternal mortality per 100K births
	Portugal	Sierra Leone
1985	20	1,506
1986	19	1,530
1987	19	1,533
1988	18	1,549
1989	18	1,575
1990	17	1,572
1991	17	1,699
1992	16	1,681
1993	15	1,696
1994	13	1,755
1995	12	1,777
1996	12	1,726
1997	12	1,721
1998	11	1,753
1999	10	1,731
2000	9	1,603
2001	9	1,518
2002	9	1,492
2003	8	1,433
2004	8	1,366
2005	8	1,294
2006	8	1,168
2007	8	1,132
2008	9	1,093
2009	9	1,054
2010	10	1,018
2011	10	967
2012	10	915
2013	10	842
2014	11	821
2015	11	730
2016	12	633
2017	13	578
2018	14	491
2019	15	464
2020	14	422
2021	19	403
2022	16	370
2023	15	354

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 0.32% in Portugal and 9.43% in Sierra Leone. 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
	Portugal	Sierra Leone
1960	11.4%	39.1%
1961	11%	38.5%
1962	10.4%	38%
1963	9.76%	37.4%
1964	9.1%	36.8%
1965	8.53%	36.2%
1966	8.09%	35.6%
1967	7.76%	35%
1968	7.51%	34.5%
1969	7.22%	33.9%
1970	6.81%	33.4%
1971	6.3%	32.9%
1972	5.78%	32.3%
1973	5.27%	31.9%
1974	4.79%	31.4%
1975	4.35%	30.9%
1976	3.94%	30.5%
1977	3.57%	30%
1978	3.24%	29.6%
1979	2.97%	29.2%
1980	2.75%	28.9%
1981	2.58%	28.5%
1982	2.43%	28.1%
1983	2.29%	27.8%
1984	2.16%	27.5%
1985	2.04%	27.2%
1986	1.93%	26.9%
1987	1.82%	26.6%
1988	1.7%	26.4%
1989	1.59%	26.2%
1990	1.47%	25.9%
1991	1.36%	25.7%
1992	1.25%	25.5%
1993	1.14%	25.3%
1994	1.05%	25%
1995	0.98%	24.7%
1996	0.92%	24.3%
1997	0.86%	23.9%
1998	0.82%	23.4%
1999	0.77%	22.9%
2000	0.72%	22.4%
2001	0.66%	21.8%
2002	0.61%	21.3%
2003	0.55%	20.7%
2004	0.5%	20.1%
2005	0.47%	19.4%
2006	0.44%	18.8%
2007	0.42%	18.1%
2008	0.4%	17.3%
2009	0.39%	16.6%
2010	0.38%	15.9%
2011	0.37%	15.2%
2012	0.37%	14.5%
2013	0.36%	13.9%
2014	0.36%	13.7%
2015	0.36%	13.8%
2016	0.36%	12.3%
2017	0.36%	11.8%
2018	0.35%	11.3%
2019	0.35%	10.9%
2020	0.34%	10.5%
2021	0.33%	10.1%
2022	0.32%	9.77%
2023	0.32%	9.43%