Fertility & birth rates in Portugal and Tanzania

Fertility rate in Portugal vs Tanzania by year

Chart Table

Portugal

Tanzania

1x

Year	Fertility rate
	Portugal	Tanzania
2023	1.44	4.61
2022	1.43	4.67
2021	1.35	4.73
2020	1.42	4.8
2019	1.44	4.87
2018	1.42	4.93
2017	1.38	4.99
2016	1.37	5.01
2015	1.31	5.03
2014	1.24	5.12
2013	1.21	5.16
2012	1.28	5.14
2011	1.35	5.14
2010	1.39	5.23
2009	1.34	5.26
2008	1.39	5.32
2007	1.35	5.4
2006	1.37	5.51
2005	1.41	5.58
2004	1.4	5.6
2003	1.44	5.58
2002	1.46	5.57
2001	1.45	5.62
2000	1.55	5.67
1999	1.5	5.75
1998	1.47	5.81
1997	1.47	5.84
1996	1.44	5.83
1995	1.41	5.82
1994	1.45	5.89
1993	1.52	6
1992	1.54	6.08
1991	1.56	6.14
1990	1.56	6.2
1989	1.57	6.3
1988	1.61	6.38
1987	1.62	6.41
1986	1.66	6.49
1985	1.72	6.6
1984	1.9	6.72
1983	1.95	6.81
1982	2.07	6.87
1981	2.13	6.93
1980	2.25	6.99
1979	2.31	7.04
1978	2.45	7.06
1977	2.69	7.07
1976	2.82	7.09
1975	2.75	7.1
1974	2.7	7.12
1973	2.77	7.06
1972	2.86	7.05
1971	3	7.04
1970	3.01	7
1969	3.12	6.95
1968	3.12	6.9
1967	3.16	6.86
1966	3.16	6.8
1965	3.15	6.73
1964	3.21	6.68
1963	3.12	6.65
1962	3.23	6.61
1961	3.21	6.56
1960	3.16	6.54

According to the latest available data on birth rates, the fertility rate in Portugal was 1.44 children per woman in 2023, compared to 4.61 in Tanzania in 2023. The replacement level is considered to be 2.1 children per woman.

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

Natural population change by year

Chart Table

Portugal

Tanzania

1x

Year	Natural population change
	Portugal	Tanzania
2023	-32,792	1,960,623
2022	-40,694	1,927,960
2021	-45,592	1,880,137
2020	-39,129	1,861,377
2019	-24,687	1,816,669
2018	-25,709	1,777,852
2017	-23,691	1,726,909
2016	-23,749	1,659,502
2015	-23,823	1,592,882
2014	-22,882	1,565,630
2013	-24,052	1,509,008
2012	-17,875	1,439,325
2011	-5,279	1,384,886
2010	-4,230	1,363,477
2009	-5,284	1,332,015
2008	0	1,303,728
2007	-1,055	1,278,285
2006	3,156	1,257,927
2005	2,101	1,224,165
2004	7,339	1,175,379
2003	4,184	1,118,435
2002	8,335	1,063,195
2001	8,290	1,026,242
2000	15,435	985,185
1999	8,175	948,659
1998	7,112	920,806
1997	8,087	882,544
1996	4,026	868,524
1995	4,011	838,980
1994	9,991	803,953
1993	7,972	778,044
1992	13,933	767,961
1991	12,948	762,011
1990	13,976	750,825
1989	22,011	743,854
1988	24,047	736,551
1987	28,084	718,580
1986	31,102	705,677
1985	33,077	697,867
1984	45,983	687,435
1983	47,798	679,720
1982	58,479	662,627
1981	56,152	645,496
1980	63,481	629,444
1979	67,628	613,388
1978	70,731	595,024
1977	84,156	574,938
1976	85,138	553,617
1975	81,841	533,906
1974	74,412	515,152
1973	76,835	488,429
1972	83,715	467,305
1971	82,980	449,014
1970	87,672	427,988
1969	89,329	408,322
1968	100,737	389,467
1967	106,495	374,763
1966	107,171	360,229
1965	115,182	343,456
1964	120,170	328,527
1963	113,783	314,644
1962	123,217	300,663
1961	117,867	286,839
1960	118,693	275,814

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 +2.94% in Tanzania.

For the past 10 years, the annual natural population change has been -0.29% in Portugal and +3.05% in Tanzania.

Birth rate in Portugal vs Tanzania by year

Chart Table

Portugal

Tanzania

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Portugal	Tanzania
2023	8.1	35.2
2022	8	35.6
2021	7.6	36
2020	8.1	36.4
2019	8.4	36.9
2018	8.4	37.3
2017	8.3	37.6
2016	8.4	37.6
2015	8.2	37.6
2014	7.9	38.4
2013	7.9	38.4
2012	8.5	38.1
2011	9.2	38.1
2010	9.6	38.8
2009	9.4	39.2
2008	9.9	39.6
2007	9.7	40.2
2006	10	41
2005	10.4	41.5
2004	10.4	41.5
2003	10.8	41.3
2002	11	41.2
2001	10.9	41.4
2000	11.7	41.5
1999	11.4	41.8
1998	11.2	42.1
1997	11.2	42.1
1996	11	42.3
1995	10.7	41.9
1994	10.9	41.5
1993	11.4	41.7
1992	11.5	42.3
1991	11.7	42.7
1990	11.7	43
1989	11.8	43.5
1988	12.2	44
1987	12.3	44.3
1986	12.6	44.9
1985	13	45.7
1984	14.3	46.4
1983	14.5	47.1
1982	15.2	47.5
1981	15.4	47.9
1980	16.2	48.3
1979	16.6	48.8
1978	17.5	49.2
1977	19.1	49.5
1976	20	49.8
1975	19.8	50.2
1974	19.6	50.6
1973	20	50.3
1972	20.2	50.4
1971	21	50.6
1970	20.8	50.4
1969	21.7	50.3
1968	22.1	50.2
1967	22.8	50.3
1966	23.2	50.2
1965	23.4	49.9
1964	24	49.8
1963	23.5	49.7
1962	24.5	49.4
1961	24.4	49.1
1960	24.1	49

The latest reported birth rate per 1,000 people in 2023 was 8.1 in Portugal and 35.2 in Tanzania, compared with 24.1 and 49, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Portugal

Factual

UN forecast

Tanzania

Factual

UN forecast

1x

Year	Young
	Portugal	Tanzania
2100	13.8%	23.4%
2099	13.8%	23.6%
2098	13.8%	23.8%
2097	13.8%	23.9%
2096	13.9%	24.1%
2095	13.9%	24.3%
2094	13.9%	24.5%
2093	14%	24.7%
2092	14%	24.8%
2091	14%	25%
2090	14.1%	25.2%
2089	14.1%	25.4%
2088	14.1%	25.6%
2087	14.1%	25.8%
2086	14.2%	26%
2085	14.2%	26.2%
2084	14.2%	26.4%
2083	14.2%	26.6%
2082	14.2%	26.8%
2081	14.2%	27.1%
2080	14.2%	27.3%
2079	14.2%	27.5%
2078	14.2%	27.7%
2077	14.1%	28%
2076	14.1%	28.2%
2075	14.1%	28.4%
2074	14%	28.7%
2073	14%	28.9%
2072	13.9%	29.1%
2071	13.9%	29.4%
2070	13.8%	29.6%
2069	13.8%	29.8%
2068	13.7%	30.1%
2067	13.7%	30.3%
2066	13.6%	30.6%
2065	13.6%	30.8%
2064	13.5%	31.1%
2063	13.5%	31.3%
2062	13.5%	31.6%
2061	13.5%	31.9%
2060	13.5%	32.1%
2059	13.5%	32.4%
2058	13.5%	32.7%
2057	13.5%	32.9%
2056	13.5%	33.2%
2055	13.5%	33.5%
2054	13.5%	33.8%
2053	13.5%	34.1%
2052	13.5%	34.3%
2051	13.5%	34.6%
2050	13.5%	34.9%
2049	13.5%	35.2%
2048	13.4%	35.5%
2047	13.4%	35.8%
2046	13.4%	36.1%
2045	13.3%	36.4%
2044	13.3%	36.7%
2043	13.2%	37%
2042	13.1%	37.3%
2041	13.1%	37.6%
2040	13%	37.9%
2039	13%	38.3%
2038	13%	38.6%
2037	12.9%	39%
2036	12.8%	39.3%
2035	12.8%	39.6%
2034	12.7%	40%
2033	12.7%	40.3%
2032	12.7%	40.7%
2031	12.7%	41%
2030	12.7%	41.3%
2029	12.6%	41.6%
2028	12.6%	41.8%
2027	12.6%	42.1%
2026	12.7%	42.2%
2025	12.8%	42.4%
2024	12.8%	42.5%
2023	12.9%	42.7%
2022	13%	42.9%
2021	13.1%	43.1%
2020	13.3%	43.4%
2019	13.5%	43.6%
2018	13.7%	43.8%
2017	13.9%	44%
2016	14.1%	44.2%
2015	14.3%	44.5%
2014	14.6%	44.8%
2013	14.8%	44.9%
2012	14.9%	45.1%
2011	15%	45.2%
2010	15.2%	45.3%
2009	15.4%	45.3%
2008	15.5%	45.1%
2007	15.6%	45%
2006	15.8%	44.9%
2005	15.9%	44.8%
2004	16%	44.7%
2003	16.1%	44.6%
2002	16.1%	44.6%
2001	16.2%	44.5%
2000	16.4%	44.6%
1999	16.6%	44.7%
1998	16.8%	44.7%
1997	17.1%	44.8%
1996	17.4%	44.7%
1995	17.8%	44.5%
1994	18.2%	44.9%
1993	18.6%	45.5%
1992	19.1%	46%
1991	19.7%	46.2%
1990	20.5%	46.3%
1989	21.2%	46.5%
1988	21.9%	46.7%
1987	22.5%	46.9%
1986	23.1%	47.2%
1985	23.7%	47.4%
1984	24.1%	47.5%
1983	24.5%	47.6%
1982	25%	47.5%
1981	25.4%	47.4%
1980	25.9%	47.2%
1979	26.4%	46.9%
1978	26.8%	46.7%
1977	27.1%	46.6%
1976	27.2%	46.5%
1975	27.4%	46.4%
1974	27.7%	46.3%
1973	27.9%	46.2%
1972	28.2%	46.1%
1971	28.4%	46.1%
1970	28.7%	46%
1969	29.1%	45.9%
1968	29.2%	45.8%
1967	29.2%	45.6%
1966	29.2%	45.4%
1965	29.1%	45.2%
1964	29.1%	45%
1963	29.1%	44.8%
1962	29.1%	44.8%
1961	29.1%	44.8%
1960	29.3%	44.9%

Children aged 0-14 make up 12.8% of the population in Portugal and 42.5% in Tanzania in 2024, compared to 20.5% and 46.3% respectively in 1990.

Demographics of Portugal and Tanzania compared.

Maternal mortality chart: Portugal vs Tanzania

Chart Table

Portugal

Tanzania

1x

Year	Maternal mortality per 100K births
	Portugal	Tanzania
2023	15	276
2022	16	152
2021	19	162
2020	14	160
2019	15	292
2018	14	319
2017	13	345
2016	12	396
2015	11	433
2014	11	454
2013	10	479
2012	10	448
2011	10	475
2010	10	486
2009	9	502
2008	9	511
2007	8	453
2006	8	366
2005	8	350
2004	8	365
2003	8	397
2002	9	454
2001	9	493
2000	9	568
1999	10	635
1998	11	739
1997	12	777
1996	12	775
1995	12	797
1994	13	816
1993	15	851
1992	16	864
1991	17	873
1990	17	900
1989	18	927
1988	18	949
1987	19	964
1986	19	971
1985	20	980

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 276 deaths in Tanzania.

Under-five mortality rates

Chart Table

Portugal

Tanzania

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Portugal	Tanzania
2023	0.32%	3.89%
2022	0.32%	4.05%
2021	0.33%	4.22%
2020	0.34%	4.42%
2019	0.35%	4.6%
2018	0.35%	4.8%
2017	0.36%	5.02%
2016	0.36%	5.25%
2015	0.36%	5.48%
2014	0.36%	5.67%
2013	0.36%	5.95%
2012	0.37%	6.21%
2011	0.37%	6.5%
2010	0.38%	6.86%
2009	0.39%	7.24%
2008	0.4%	7.7%
2007	0.42%	8.16%
2006	0.44%	8.69%
2005	0.47%	9.24%
2004	0.5%	9.86%
2003	0.55%	10.5%
2002	0.61%	11.3%
2001	0.66%	12.1%
2000	0.72%	12.8%
1999	0.77%	13.6%
1998	0.82%	14.2%
1997	0.86%	14.8%
1996	0.92%	15.2%
1995	0.98%	15.6%
1994	1.05%	15.9%
1993	1.14%	16.1%
1992	1.25%	16.3%
1991	1.36%	16.5%
1990	1.47%	16.7%
1989	1.59%	16.9%
1988	1.7%	17.2%
1987	1.82%	17.4%
1986	1.93%	17.6%
1985	2.04%	17.7%
1984	2.16%	17.8%
1983	2.29%	17.8%
1982	2.43%	17.8%
1981	2.58%	17.8%
1980	2.75%	17.9%
1979	2.97%	18.1%
1978	3.24%	18.4%
1977	3.57%	18.8%
1976	3.94%	19.2%
1975	4.35%	19.6%
1974	4.79%	20.1%
1973	5.27%	20.5%
1972	5.78%	20.9%
1971	6.3%	21.2%
1970	6.81%	21.6%
1969	7.22%	21.9%
1968	7.51%	22.2%
1967	7.76%	22.5%
1966	8.09%	22.8%
1965	8.53%	23.1%
1964	9.1%	23.4%
1963	9.76%	23.6%
1962	10.4%	23.8%
1961	11%	24%
1960	11.4%	24.2%

The chance that a newborn baby will die before reaching age five is 0.32% in Portugal and 3.89% in Tanzania. Above is a chart with historical data on under-five mortality rates.