Fertility & birth rates in Portugal and Sierra Leone

Fertility rate in Portugal vs Sierra Leone by year

Chart Table

Portugal

Sierra Leone

1x

Year	Fertility rate
	Portugal	Sierra Leone
2023	1.44	3.79
2022	1.43	3.88
2021	1.35	3.98
2020	1.42	4.08
2019	1.44	4.19
2018	1.42	4.29
2017	1.38	4.39
2016	1.37	4.47
2015	1.31	4.55
2014	1.24	4.7
2013	1.21	4.87
2012	1.28	5.06
2011	1.35	5.21
2010	1.39	5.33
2009	1.34	5.45
2008	1.39	5.56
2007	1.35	5.64
2006	1.37	5.74
2005	1.41	5.81
2004	1.4	5.92
2003	1.44	6.09
2002	1.46	6.23
2001	1.45	6.31
2000	1.55	6.36
1999	1.5	6.42
1998	1.47	6.5
1997	1.47	6.53
1996	1.44	6.55
1995	1.41	6.56
1994	1.45	6.56
1993	1.52	6.57
1992	1.54	6.56
1991	1.56	6.55
1990	1.56	6.57
1989	1.57	6.57
1988	1.61	6.59
1987	1.62	6.61
1986	1.66	6.6
1985	1.72	6.59
1984	1.9	6.59
1983	1.95	6.57
1982	2.07	6.56
1981	2.13	6.55
1980	2.25	6.56
1979	2.31	6.58
1978	2.45	6.59
1977	2.69	6.57
1976	2.82	6.55
1975	2.75	6.55
1974	2.7	6.53
1973	2.77	6.47
1972	2.86	6.45
1971	3	6.43
1970	3.01	6.41
1969	3.12	6.39
1968	3.12	6.39
1967	3.16	6.38
1966	3.16	6.35
1965	3.15	6.31
1964	3.21	6.29
1963	3.12	6.26
1962	3.23	6.22
1961	3.21	6.21
1960	3.16	6.18

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.

Natural population change by year

Chart Table

Portugal

Sierra Leone

1x

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

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 -0.31% in Portugal and +2.23% in Sierra Leone.

For the past 10 years, the annual natural population change has been -0.29% in Portugal and +2.31% in Sierra Leone.

Birth rate in Portugal vs Sierra Leone by year

Chart Table

Portugal

Sierra Leone

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Portugal	Sierra Leone
2023	8.1	30.6
2022	8	31.1
2021	7.6	31.6
2020	8.1	32.2
2019	8.4	32.8
2018	8.4	33.3
2017	8.3	33.8
2016	8.4	34.2
2015	8.2	34.7
2014	7.9	35.6
2013	7.9	36.6
2012	8.5	37.8
2011	9.2	38.5
2010	9.6	39.1
2009	9.4	39.9
2008	9.9	40.6
2007	9.7	41.1
2006	10	41.8
2005	10.4	42
2004	10.4	42.5
2003	10.8	43.5
2002	11	44.3
2001	10.9	44
2000	11.7	45
1999	11.4	46.1
1998	11.2	46.3
1997	11.2	46.3
1996	11	46.5
1995	10.7	46.8
1994	10.9	46.8
1993	11.4	46.9
1992	11.5	47
1991	11.7	47.5
1990	11.7	45.5
1989	11.8	46.3
1988	12.2	46.4
1987	12.3	46.6
1986	12.6	46.6
1985	13	46.7
1984	14.3	46.8
1983	14.5	46.7
1982	15.2	46.8
1981	15.4	46.8
1980	16.2	46.8
1979	16.6	47
1978	17.5	47.2
1977	19.1	47.1
1976	20	47.2
1975	19.8	47.3
1974	19.6	47.4
1973	20	47.2
1972	20.2	47.2
1971	21	47.3
1970	20.8	47.4
1969	21.7	47.5
1968	22.1	47.7
1967	22.8	47.9
1966	23.2	48
1965	23.4	48
1964	24	48.2
1963	23.5	48.2
1962	24.5	48.1
1961	24.4	48.1
1960	24.1	48

The latest reported birth rate per 1,000 people in 2023 was 8.1 in Portugal and 30.6 in Sierra Leone, compared with 24.1 and 48, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Portugal

Factual

UN forecast

Sierra Leone

Factual

UN forecast

1x

Year	Young
	Portugal	Sierra Leone
2100	13.8%	19%
2099	13.8%	19%
2098	13.8%	19.1%
2097	13.8%	19.2%
2096	13.9%	19.3%
2095	13.9%	19.5%
2094	13.9%	19.6%
2093	14%	19.7%
2092	14%	19.8%
2091	14%	19.9%
2090	14.1%	20%
2089	14.1%	20.1%
2088	14.1%	20.3%
2087	14.1%	20.4%
2086	14.2%	20.5%
2085	14.2%	20.7%
2084	14.2%	20.8%
2083	14.2%	20.9%
2082	14.2%	21.1%
2081	14.2%	21.2%
2080	14.2%	21.4%
2079	14.2%	21.6%
2078	14.2%	21.7%
2077	14.1%	21.9%
2076	14.1%	22.1%
2075	14.1%	22.2%
2074	14%	22.4%
2073	14%	22.6%
2072	13.9%	22.8%
2071	13.9%	23%
2070	13.8%	23.2%
2069	13.8%	23.4%
2068	13.7%	23.6%
2067	13.7%	23.8%
2066	13.6%	24%
2065	13.6%	24.3%
2064	13.5%	24.5%
2063	13.5%	24.7%
2062	13.5%	25%
2061	13.5%	25.2%
2060	13.5%	25.5%
2059	13.5%	25.7%
2058	13.5%	26%
2057	13.5%	26.3%
2056	13.5%	26.6%
2055	13.5%	26.9%
2054	13.5%	27.1%
2053	13.5%	27.4%
2052	13.5%	27.7%
2051	13.5%	28.1%
2050	13.5%	28.4%
2049	13.5%	28.7%
2048	13.4%	29%
2047	13.4%	29.3%
2046	13.4%	29.7%
2045	13.3%	30%
2044	13.3%	30.3%
2043	13.2%	30.7%
2042	13.1%	31.1%
2041	13.1%	31.4%
2040	13%	31.8%
2039	13%	32.2%
2038	13%	32.6%
2037	12.9%	33%
2036	12.8%	33.4%
2035	12.8%	33.8%
2034	12.7%	34.2%
2033	12.7%	34.6%
2032	12.7%	35%
2031	12.7%	35.4%
2030	12.7%	35.7%
2029	12.6%	36.1%
2028	12.6%	36.5%
2027	12.6%	37%
2026	12.7%	37.4%
2025	12.8%	37.9%
2024	12.8%	38.1%
2023	12.9%	38.5%
2022	13%	39%
2021	13.1%	39.4%
2020	13.3%	39.8%
2019	13.5%	40.2%
2018	13.7%	40.6%
2017	13.9%	41%
2016	14.1%	41.4%
2015	14.3%	41.8%
2014	14.6%	42.2%
2013	14.8%	42.5%
2012	14.9%	42.8%
2011	15%	43%
2010	15.2%	43.2%
2009	15.4%	43.4%
2008	15.5%	43.5%
2007	15.6%	43.6%
2006	15.8%	43.7%
2005	15.9%	43.8%
2004	16%	43.9%
2003	16.1%	43.9%
2002	16.1%	43.9%
2001	16.2%	43.9%
2000	16.4%	43.8%
1999	16.6%	43.7%
1998	16.8%	43.6%
1997	17.1%	43.5%
1996	17.4%	43.5%
1995	17.8%	43.4%
1994	18.2%	43.3%
1993	18.6%	43.2%
1992	19.1%	43.1%
1991	19.7%	43%
1990	20.5%	42.9%
1989	21.2%	42.9%
1988	21.9%	42.8%
1987	22.5%	42.7%
1986	23.1%	42.6%
1985	23.7%	42.5%
1984	24.1%	42.3%
1983	24.5%	42.2%
1982	25%	42.1%
1981	25.4%	42%
1980	25.9%	41.9%
1979	26.4%	41.8%
1978	26.8%	41.7%
1977	27.1%	41.6%
1976	27.2%	41.4%
1975	27.4%	41.3%
1974	27.7%	41.1%
1973	27.9%	40.9%
1972	28.2%	40.7%
1971	28.4%	40.6%
1970	28.7%	40.3%
1969	29.1%	40.1%
1968	29.2%	39.9%
1967	29.2%	39.6%
1966	29.2%	39.4%
1965	29.1%	39.1%
1964	29.1%	38.8%
1963	29.1%	38.5%
1962	29.1%	38.3%
1961	29.1%	38.3%
1960	29.3%	38.2%

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.

Maternal mortality chart: Portugal vs Sierra Leone

Chart Table

Portugal

Sierra Leone

1x

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

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.

Under-five mortality rates

Chart Table

Portugal

Sierra Leone

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Portugal	Sierra Leone
2023	0.32%	9.43%
2022	0.32%	9.77%
2021	0.33%	10.1%
2020	0.34%	10.5%
2019	0.35%	10.9%
2018	0.35%	11.3%
2017	0.36%	11.8%
2016	0.36%	12.3%
2015	0.36%	13.8%
2014	0.36%	13.7%
2013	0.36%	13.9%
2012	0.37%	14.5%
2011	0.37%	15.2%
2010	0.38%	15.9%
2009	0.39%	16.6%
2008	0.4%	17.3%
2007	0.42%	18.1%
2006	0.44%	18.8%
2005	0.47%	19.4%
2004	0.5%	20.1%
2003	0.55%	20.7%
2002	0.61%	21.3%
2001	0.66%	21.8%
2000	0.72%	22.4%
1999	0.77%	22.9%
1998	0.82%	23.4%
1997	0.86%	23.9%
1996	0.92%	24.3%
1995	0.98%	24.7%
1994	1.05%	25%
1993	1.14%	25.3%
1992	1.25%	25.5%
1991	1.36%	25.7%
1990	1.47%	25.9%
1989	1.59%	26.2%
1988	1.7%	26.4%
1987	1.82%	26.6%
1986	1.93%	26.9%
1985	2.04%	27.2%
1984	2.16%	27.5%
1983	2.29%	27.8%
1982	2.43%	28.1%
1981	2.58%	28.5%
1980	2.75%	28.9%
1979	2.97%	29.2%
1978	3.24%	29.6%
1977	3.57%	30%
1976	3.94%	30.5%
1975	4.35%	30.9%
1974	4.79%	31.4%
1973	5.27%	31.9%
1972	5.78%	32.3%
1971	6.3%	32.9%
1970	6.81%	33.4%
1969	7.22%	33.9%
1968	7.51%	34.5%
1967	7.76%	35%
1966	8.09%	35.6%
1965	8.53%	36.2%
1964	9.1%	36.8%
1963	9.76%	37.4%
1962	10.4%	38%
1961	11%	38.5%
1960	11.4%	39.1%

The chance that a newborn baby will die before reaching age five is 0.32% in Portugal and 9.43% in Sierra Leone. Above is a chart with historical data on under-five mortality rates.