Fertility & birth rates in Slovakia and Tonga

Fertility rate in Slovakia vs Tonga by year

Chart Table

Slovakia

Tonga

1x

Year	Fertility rate
	Slovakia	Tonga
2023	1.49	3.13
2022	1.57	3.17
2021	1.63	3.2
2020	1.59	3.23
2019	1.57	3.27
2018	1.54	3.33
2017	1.52	3.39
2016	1.48	3.46
2015	1.4	3.54
2014	1.37	3.62
2013	1.34	3.7
2012	1.34	3.77
2011	1.45	3.83
2010	1.43	3.88
2009	1.44	3.95
2008	1.34	4.01
2007	1.27	4.09
2006	1.25	4.14
2005	1.27	4.2
2004	1.25	4.19
2003	1.2	4.18
2002	1.19	4.14
2001	1.2	4.13
2000	1.3	4.16
1999	1.33	4.23
1998	1.37	4.31
1997	1.43	4.38
1996	1.47	4.46
1995	1.52	4.56
1994	1.67	4.66
1993	1.87	4.73
1992	1.93	4.79
1991	2.05	4.85
1990	2.09	4.93
1989	2.07	5.01
1988	2.13	5.1
1987	2.14	5.19
1986	2.2	5.27
1985	2.26	5.34
1984	2.26	5.41
1983	2.28	5.45
1982	2.28	5.5
1981	2.29	5.55
1980	2.32	5.6
1979	2.45	5.65
1978	2.47	5.68
1977	2.49	5.7
1976	2.55	5.73
1975	2.55	5.75
1974	2.61	5.77
1973	2.56	5.8
1972	2.49	5.86
1971	2.43	5.96
1970	2.41	6.07
1969	2.43	6.17
1968	2.39	6.23
1967	2.48	6.29
1966	2.66	6.35
1965	2.78	6.41
1964	2.89	6.46
1963	2.92	6.52
1962	2.83	6.57
1961	2.96	6.61
1960	3.04	6.65

According to the latest available data on birth rates, the fertility rate in Slovakia was 1.49 children per woman in 2023, compared to 3.13 in Tonga in 2023. The replacement level is considered to be 2.1 children per woman.

Check Slovakia vs Tonga population clock for a dynamic visualization of the changing population.

Natural population change by year

Chart Table

Slovakia

Tonga

1x

Year	Natural population change
	Slovakia	Tonga
2023	-5,427	1,744
2022	-7,062	1,772
2021	-16,886	1,773
2020	-2,184	1,816
2019	3,818	1,841
2018	3,268	1,873
2017	4,351	1,912
2016	5,431	1,989
2015	2,170	2,064
2014	3,793	2,135
2013	2,707	2,199
2012	3,245	2,255
2011	9,177	2,298
2010	7,008	2,332
2009	8,619	2,358
2008	4,303	2,397
2007	537	2,423
2006	537	2,459
2005	537	2,495
2004	1,611	2,478
2003	-537	2,448
2002	-538	2,396
2001	-1,076	2,358
2000	2,155	2,346
1999	3,777	2,352
1998	4,312	2,344
1997	6,999	2,332
1996	9,135	2,393
1995	9,115	2,476
1994	14,970	2,547
1993	20,769	2,594
1992	21,220	2,622
1991	23,865	2,637
1990	25,436	2,641
1989	26,380	2,644
1988	30,979	2,649
1987	31,859	2,646
1986	34,279	2,704
1985	37,680	2,762
1984	38,966	2,814
1983	39,717	2,840
1982	41,958	2,853
1981	43,640	2,882
1980	44,320	2,885
1979	52,353	2,884
1978	52,324	2,862
1977	52,762	2,822
1976	54,121	2,769
1975	52,604	2,709
1974	52,524	2,650
1973	49,199	2,617
1972	46,426	2,605
1971	40,105	2,611
1970	38,575	2,628
1969	39,312	2,632
1968	38,113	2,614
1967	41,824	2,603
1966	45,440	2,550
1965	48,517	2,498
1964	54,092	2,445
1963	54,382	2,394
1962	49,587	2,343
1961	55,749	2,284
1960	56,546	2,230

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 -0.1% in Slovakia and +1.67% in Tonga.

For the past 10 years, the annual natural population change has been -0.02% in Slovakia and +1.79% in Tonga.

Birth rate in Slovakia vs Tonga by year

Chart Table

Slovakia

Tonga

Annual births per 1,000 people

1x

Year	Annual births per 1,000 people
	Slovakia	Tonga
2023	9	23.1
2022	9.7	23.4
2021	10.4	23.5
2020	10.4	23.6
2019	10.5	23.8
2018	10.6	24.1
2017	10.7	24.5
2016	10.6	25.2
2015	10.3	25.8
2014	10.2	26.4
2013	10.1	26.9
2012	10.3	27.3
2011	11.3	27.7
2010	11.2	28
2009	11.4	28.4
2008	10.7	28.7
2007	10.1	29
2006	10	29.5
2005	10.1	30
2004	10	30
2003	9.6	29.9
2002	9.5	29.5
2001	9.5	29.4
2000	10.2	29.4
1999	10.4	29.6
1998	10.7	29.7
1997	11	29.8
1996	11.2	30.6
1995	11.5	31.4
1994	12.4	32.2
1993	13.8	32.7
1992	14.1	33
1991	14.8	33.2
1990	15.1	33.3
1989	15.2	33.4
1988	15.9	33.5
1987	16.1	33.7
1986	16.8	34.4
1985	17.5	34.9
1984	17.7	35.4
1983	18.1	35.6
1982	18.3	35.8
1981	18.6	36
1980	19.1	36.1
1979	20.3	36.1
1978	20.5	36
1977	20.6	35.7
1976	20.8	35.6
1975	20.6	35.8
1974	20.8	36
1973	20	36.5
1972	19.1	37
1971	18.2	37.8
1970	17.8	38.8
1969	17.7	39.6
1968	17	40.3
1967	17.4	41
1966	18.5	41.4
1965	19.3	41.9
1964	20.1	42.4
1963	20.4	42.9
1962	19.8	43.4
1961	20.8	43.9
1960	21.7	44.3

The latest reported birth rate per 1,000 people in 2023 was 9 in Slovakia and 23.1 in Tonga, compared with 21.7 and 44.3, respectively, in 1960.

Children 0-14 years as share of population

Chart Table

Slovakia

Factual

UN forecast

Tonga

Factual

UN forecast

1x

Year	Young
	Slovakia	Tonga
2100	12.2%	17.5%
2099	12.3%	17.6%
2098	12.3%	17.7%
2097	12.4%	17.7%
2096	12.5%	17.9%
2095	12.5%	18%
2094	12.6%	18.1%
2093	12.7%	18.3%
2092	12.7%	18.4%
2091	12.8%	18.6%
2090	12.8%	18.8%
2089	12.9%	19%
2088	12.9%	19.3%
2087	12.9%	19.5%
2086	12.9%	19.7%
2085	12.9%	20%
2084	12.8%	20.2%
2083	12.8%	20.4%
2082	12.7%	20.7%
2081	12.7%	20.9%
2080	12.6%	21.1%
2079	12.5%	21.3%
2078	12.5%	21.5%
2077	12.4%	21.7%
2076	12.4%	21.9%
2075	12.3%	22%
2074	12.3%	22.2%
2073	12.3%	22.3%
2072	12.3%	22.4%
2071	12.3%	22.6%
2070	12.3%	22.7%
2069	12.4%	22.8%
2068	12.4%	23%
2067	12.5%	23.2%
2066	12.6%	23.4%
2065	12.6%	23.6%
2064	12.7%	23.8%
2063	12.8%	24.1%
2062	12.9%	24.4%
2061	13%	24.7%
2060	13.1%	25%
2059	13.2%	25.4%
2058	13.2%	25.8%
2057	13.3%	26.2%
2056	13.3%	26.6%
2055	13.3%	27%
2054	13.3%	27.4%
2053	13.2%	27.8%
2052	13.2%	28.2%
2051	13.1%	28.5%
2050	13.1%	28.9%
2049	13%	29.1%
2048	12.9%	29.4%
2047	12.9%	29.6%
2046	12.8%	29.7%
2045	12.7%	29.8%
2044	12.7%	29.9%
2043	12.7%	30%
2042	12.7%	30.1%
2041	12.7%	30.1%
2040	12.8%	30.2%
2039	12.8%	30.2%
2038	12.9%	30.3%
2037	13.1%	30.4%
2036	13.3%	30.6%
2035	13.5%	30.7%
2034	13.7%	30.9%
2033	14%	31.1%
2032	14.2%	31.4%
2031	14.5%	31.8%
2030	14.7%	32.3%
2029	14.9%	33%
2028	15.1%	33.6%
2027	15.2%	34.1%
2026	15.5%	34.6%
2025	15.7%	35.2%
2024	15.8%	35.4%
2023	15.9%	35.6%
2022	16%	35.6%
2021	15.9%	35.7%
2020	15.9%	35.8%
2019	15.8%	36%
2018	15.7%	36.2%
2017	15.5%	36.4%
2016	15.4%	36.5%
2015	15.3%	36.7%
2014	15.3%	36.9%
2013	15.3%	37.1%
2012	15.4%	37.2%
2011	15.4%	37.4%
2010	15.5%	37.6%
2009	15.5%	37.8%
2008	15.7%	38%
2007	16%	38.3%
2006	16.4%	38.3%
2005	16.9%	38.3%
2004	17.3%	38.2%
2003	17.9%	38.1%
2002	18.4%	38.1%
2001	19%	38.2%
2000	19.7%	38.3%
1999	20.3%	38.6%
1998	20.9%	38.9%
1997	21.5%	39.3%
1996	22.1%	39.7%
1995	22.7%	39.9%
1994	23.3%	40.1%
1993	23.9%	40.3%
1992	24.4%	40.5%
1991	24.8%	40.6%
1990	25.2%	40.8%
1989	25.7%	40.9%
1988	26.1%	41.2%
1987	26.3%	41.5%
1986	26.4%	41.7%
1985	26.5%	42%
1984	26.4%	42.4%
1983	26.3%	42.9%
1982	26.2%	43.4%
1981	26.1%	43.9%
1980	26.1%	44.3%
1979	26.1%	44.8%
1978	26.1%	45.3%
1977	26%	45.8%
1976	26%	46.1%
1975	26%	46.2%
1974	26.1%	46.2%
1973	26.2%	46.2%
1972	26.6%	46.3%
1971	27%	46.4%
1970	27.5%	46.4%
1969	28.1%	46.3%
1968	28.6%	46.2%
1967	29.3%	46%
1966	29.9%	45.9%
1965	30.4%	45.9%
1964	30.8%	45.9%
1963	31%	45.9%
1962	31.3%	45.8%
1961	31.5%	45.7%
1960	31.5%	45.7%

Children aged 0-14 make up 15.8% of the population in Slovakia and 35.4% in Tonga in 2024, compared to 25.2% and 40.8% respectively in 1990.

Demographics of Slovakia and Tonga compared.

Maternal mortality chart: Slovakia vs Tonga

Chart Table

Slovakia

Tonga

1x

Year	Maternal mortality per 100K births
	Slovakia	Tonga
2023	4	67
2022	5	72
2021	12	76
2020	4	74
2019	5	73
2018	5	74
2017	5	77
2016	5	78
2015	5	79
2014	5	80
2013	5	80
2012	5	83
2011	5	84
2010	5	85
2009	6	91
2008	5	88
2007	6	88
2006	6	89
2005	7	92
2004	7	92
2003	7	95
2002	7	98
2001	8	98
2000	8	100
1999	9	99
1998	10	104
1997	10	111
1996	10	113
1995	11	117
1994	12	123
1993	14	127
1992	15	129
1991	17	134
1990	18	138
1989	17	139
1988	18	145
1987	19	147
1986	19	149
1985	19	148

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 4 deaths per 100,000 live births in Slovakia, compared to 67 deaths in Tonga.

Under-five mortality rates

Chart Table

Slovakia

Tonga

Probability that a newborn baby will die before reaching age five

1x

Year	Under 5 mortality rate
	Slovakia	Tonga
2023	0.61%	0.99%
2022	0.6%	1.02%
2021	0.6%	1.05%
2020	0.59%	1.08%
2019	0.59%	1.1%
2018	0.6%	1.12%
2017	0.6%	1.15%
2016	0.61%	1.17%
2015	0.62%	1.19%
2014	0.63%	1.22%
2013	0.64%	1.24%
2012	0.66%	1.26%
2011	0.67%	1.29%
2010	0.69%	1.31%
2009	0.71%	1.34%
2008	0.74%	1.37%
2007	0.77%	1.41%
2006	0.8%	1.44%
2005	0.83%	1.48%
2004	0.86%	1.52%
2003	0.88%	1.56%
2002	0.91%	1.61%
2001	0.93%	1.65%
2000	0.96%	1.7%
1999	1%	1.74%
1998	1.05%	1.78%
1997	1.09%	1.81%
1996	1.14%	1.85%
1995	1.2%	1.89%
1994	1.25%	1.94%
1993	1.31%	2%
1992	1.37%	2.06%
1991	1.42%	2.14%
1990	1.47%	2.21%
1989	1.53%	2.29%
1988	1.59%	2.37%
1987	1.65%	2.44%
1986	1.73%	2.51%
1985	1.82%	2.57%
1984	1.91%	2.63%
1983	1.99%	2.7%
1982	2.08%	2.78%
1981	2.17%	2.87%
1980	2.27%	2.97%
1979	2.36%	3.09%
1978	2.46%	3.22%
1977	2.55%	3.37%
1976	2.64%	3.53%
1975	2.72%	3.71%
1974	2.78%	3.9%
1973	2.84%	4.11%
1972	2.89%	4.35%
1971	2.92%	4.61%
1970	2.95%	4.91%
1969	2.97%	5.25%
1968	3%	5.63%
1967	3.02%	6.03%
1966	3.05%	6.45%
1965	3.08%	6.89%
1964	3.14%	7.35%
1963	3.21%	7.83%
1962	3.32%	-
1961	3.47%	-
1960	3.67%	-

The chance that a newborn baby will die before reaching age five is 0.61% in Slovakia and 0.99% in Tonga. Above is a chart with historical data on under-five mortality rates.