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Fertility & birth rates in Slovenia and Thailand

Updated on by Georank team

Slovenia has an annual birth rate of 8 births per 1,000 people, compared to 8.24 for Thailand. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 1.51 in Slovenia and 1.21 in Thailand — 19.7% difference.

1960 vs 2023, the fertility rate has decreased by 30.9% in Slovenia and by 80.8% in Thailand — in 1960, it was 2.19 and 6.33, respectively.

  • Slovenia is ranked 178/196 by birth rate compared to 173/196 for Thailand.
  • The mean age for first-time mothers is 29.1 years in Slovenia, compared to 23.3 years in Thailand.
  • The mean age at childbearing (for all the births, not just the first) is 30.6 in Slovenia — it's 28.6 in Thailand.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 3.5 in Slovenia vs 26.1 in Thailand.
  • In Slovenia, 20% of the population is composed of women of reproductive age (15-49), compared to 24.1% in Thailand.

Fertility rate in Slovenia vs Thailand by year

Slovenia
Thailand
1x
Year Fertility rate
Slovenia Thailand
2023 1.51 1.21
2022 1.55 1.22
2021 1.64 1.23
2020 1.59 1.26
2019 1.61 1.29
2018 1.6 1.32
2017 1.62 1.36
2016 1.58 1.4
2015 1.57 1.45
2014 1.58 1.48
2013 1.55 1.53
2012 1.58 1.56
2011 1.56 1.57
2010 1.57 1.56
2009 1.53 1.57
2008 1.53 1.59
2007 1.38 1.62
2006 1.31 1.63
2005 1.26 1.64
2004 1.25 1.67
2003 1.2 1.67
2002 1.21 1.69
2001 1.21 1.71
2000 1.26 1.73
1999 1.21 1.77
1998 1.23 1.82
1997 1.25 1.85
1996 1.28 1.87
1995 1.29 1.89
1994 1.32 1.93
1993 1.33 1.97
1992 1.33 2.01
1991 1.42 2.04
1990 1.46 2.07
1989 1.52 2.14
1988 1.63 2.17
1987 1.65 2.26
1986 1.67 2.36
1985 1.71 2.45
1984 1.74 2.58
1983 1.81 2.76
1982 1.93 2.94
1981 1.96 3.13
1980 2.11 3.29
1979 2.22 3.45
1978 2.2 3.62
1977 2.17 3.87
1976 2.2 4.12
1975 2.17 4.36
1974 2.13 4.6
1973 2.2 4.85
1972 2.17 5.08
1971 2.16 5.25
1970 2.11 5.45
1969 2.17 5.7
1968 2.25 5.93
1967 2.37 6.08
1966 2.47 6.18
1965 2.43 6.26
1964 2.31 6.31
1963 2.27 6.34
1962 2.28 6.33
1961 2.27 6.32
1960 2.19 6.33

Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/slovenia/thailand | CC BY

According to the latest available data on birth rates, the fertility rate in Slovenia was 1.51 children per woman in 2023, compared to 1.21 in Thailand in 2023. The replacement level is considered to be 2.1 children per woman.

Check Slovenia vs Thailand population clock for a dynamic visualization of the changing population.

Natural population change by year

Slovenia
Thailand
1x
Year Natural population change
Slovenia Thailand
2023 -4,665 -46,105
2022 -4,858 -61,046
2021 -4,216 57,382
2020 -5,256 84,107
2019 -1,254 116,867
2018 -1,037 159,383
2017 -207 194,695
2016 826 226,255
2015 826 266,362
2014 2,268 294,628
2013 1,648 325,059
2012 2,674 351,485
2011 3,285 365,670
2010 3,687 370,466
2009 3,060 382,636
2008 3,437 401,730
2007 1,211 425,362
2006 602 441,211
2005 -600 456,378
2004 -599 466,542
2003 -1,996 488,003
2002 -1,197 504,299
2001 -996 524,230
2000 -398 543,884
1999 -1,388 578,073
1998 -1,189 617,318
1997 -794 644,834
1996 0 661,397
1995 0 682,703
1994 199 712,589
1993 -199 737,696
1992 598 754,999
1991 2,199 760,508
1990 3,797 760,808
1989 4,592 774,563
1988 5,986 765,252
1987 5,771 774,498
1986 6,094 783,430
1985 6,213 776,935
1984 5,990 779,856
1983 6,343 794,239
1982 9,170 817,951
1981 10,485 839,297
1980 11,027 845,575
1979 12,614 843,434
1978 11,920 847,799
1977 12,160 871,232
1976 12,196 894,072
1975 11,658 911,980
1974 11,367 923,151
1973 11,837 933,540
1972 10,513 940,420
1971 10,951 936,215
1970 10,004 937,116
1969 9,427 948,314
1968 11,250 953,806
1967 13,516 944,980
1966 15,697 929,469
1965 14,513 909,000
1964 12,567 885,137
1963 14,068 860,728
1962 13,150 828,741
1961 14,985 801,140
1960 12,678 774,190

Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/slovenia/thailand | CC BY

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 -0.22% in Slovenia and -0.06% in Thailand.

For the past 10 years, the annual natural population change has been -0.08% in Slovenia and +0.18% in Thailand.

Birth rate in Slovenia vs Thailand by year

Slovenia
Thailand

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Slovenia Thailand
2023 8 8.24
2022 8.3 8.38
2021 9 8.54
2020 8.9 8.79
2019 9.3 9.06
2018 9.4 9.4
2017 9.8 9.77
2016 9.9 10.1
2015 10 10.6
2014 10.3 11
2013 10.2 11.4
2012 10.7 11.8
2011 10.7 11.9
2010 10.9 12
2009 10.7 12.2
2008 10.8 12.5
2007 9.8 12.9
2006 9.4 13.2
2005 9.1 13.5
2004 9 13.8
2003 8.7 14.1
2002 8.8 14.3
2001 8.8 14.7
2000 9.1 15
1999 8.8 15.6
1998 9 16.3
1997 9.1 16.8
1996 9.4 17.3
1995 9.5 17.7
1994 9.8 18.2
1993 9.9 18.7
1992 10 19.2
1991 10.8 19.5
1990 11.2 19.6
1989 11.7 20.1
1988 12.6 20.2
1987 12.9 20.7
1986 13 21.3
1985 13.4 21.7
1984 13.6 22.3
1983 14.1 23.3
1982 15.1 24.5
1981 15.3 25.5
1980 15.7 26.3
1979 16.3 26.8
1978 16.3 27.5
1977 16.2 28.6
1976 16.7 29.8
1975 16.6 31.1
1974 16.1 32.3
1973 16.7 33.5
1972 16.4 34.7
1971 16.3 35.6
1970 15.9 36.7
1969 16.3 38.3
1968 16.8 39.7
1967 17.7 40.8
1966 18.5 41.6
1965 18.5 42.2
1964 17.9 42.8
1963 18 43.2
1962 18.1 43.4
1961 18.2 43.6
1960 17.6 43.8

Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/slovenia/thailand | CC BY

The latest reported birth rate per 1,000 people in 2023 was 8 in Slovenia and 8.24 in Thailand, compared with 17.6 and 43.8, respectively, in 1960.

Birth rate data compared

Slovenia Thailand
Fertility rate 1.51 1.21
Fertility rate rank 139/196 179/196
Birth rate 8 8.24
Birth rate rank 178/196 173/196
Population change due to births and deaths -4,665 -46,105
Natural population change rank 166/196 183/196
Natural population change rate -0.22% -0.06%
Population growth +0.33% -0.05%
Population growth rank 148/197 168/197
Age at first childbirth 29.1 years 23.3 years
Average age at childbearing 30.6 years 28.6 years
Annual births per 1,000 women ages 15-19 3.36 23
Annual births per 1,000 women ages 20-29 73 57.4
Annual births per 1,000 women ages 30+ 12.6 9.94
Female of reproductive age (15-49), share of population 20% 24.1%
Any modern method of contraceptive prevalence among married women ages 15-49 63.2% 70.7%
Share of births attended by skilled health staff 99.8% 99.1%
Maternal mortality per live birth 0.003% 0.03%
Neonatal mortality rate (before reaching 28 days of age) 0.13% 0.52%
Infant mortality rate (before reaching 1 year of age) 0.18% 0.8%
Mortality rate before reaching 5 years of age 0.22% 0.92%
Life expectancy 82.1 years 77.1 years

Children 0-14 years as share of population

Slovenia
Factual

UN forecast
Thailand
Factual

UN forecast
1x
Year Young
Slovenia Thailand
2100 12.6% 11.4%
2099 12.6% 11.4%
2098 12.7% 11.4%
2097 12.7% 11.4%
2096 12.8% 11.4%
2095 12.8% 11.3%
2094 12.9% 11.3%
2093 13% 11.3%
2092 13.1% 11.3%
2091 13.1% 11.3%
2090 13.2% 11.3%
2089 13.3% 11.3%
2088 13.3% 11.3%
2087 13.4% 11.3%
2086 13.4% 11.3%
2085 13.4% 11.3%
2084 13.4% 11.3%
2083 13.4% 11.3%
2082 13.4% 11.3%
2081 13.4% 11.3%
2080 13.3% 11.2%
2079 13.3% 11.2%
2078 13.2% 11.2%
2077 13.1% 11.2%
2076 13.1% 11.1%
2075 13% 11.1%
2074 12.9% 11.1%
2073 12.9% 11%
2072 12.8% 11%
2071 12.8% 11%
2070 12.7% 11%
2069 12.7% 10.9%
2068 12.7% 10.9%
2067 12.7% 10.9%
2066 12.8% 10.9%
2065 12.8% 10.9%
2064 12.9% 10.9%
2063 13% 11%
2062 13.1% 11%
2061 13.2% 11%
2060 13.3% 11.1%
2059 13.3% 11.1%
2058 13.4% 11.1%
2057 13.5% 11.2%
2056 13.6% 11.2%
2055 13.6% 11.3%
2054 13.6% 11.3%
2053 13.6% 11.4%
2052 13.6% 11.4%
2051 13.6% 11.5%
2050 13.5% 11.5%
2049 13.4% 11.6%
2048 13.3% 11.6%
2047 13.2% 11.6%
2046 13.1% 11.7%
2045 13% 11.7%
2044 12.8% 11.7%
2043 12.7% 11.7%
2042 12.6% 11.8%
2041 12.5% 11.8%
2040 12.5% 11.8%
2039 12.4% 11.9%
2038 12.4% 11.9%
2037 12.4% 12%
2036 12.5% 12%
2035 12.6% 12.1%
2034 12.7% 12.2%
2033 12.9% 12.4%
2032 13% 12.6%
2031 13.2% 12.8%
2030 13.4% 13%
2029 13.7% 13.3%
2028 13.9% 13.6%
2027 14.1% 13.9%
2026 14.4% 14.2%
2025 14.6% 14.6%
2024 14.7% 14.7%
2023 14.9% 15.1%
2022 15.1% 15.4%
2021 15.2% 15.8%
2020 15.1% 16.2%
2019 15.1% 16.6%
2018 15.1% 16.9%
2017 15% 17.3%
2016 14.9% 17.7%
2015 14.8% 18.1%
2014 14.7% 18.5%
2013 14.6% 18.8%
2012 14.4% 19.2%
2011 14.3% 19.7%
2010 14.1% 20.1%
2009 14% 20.6%
2008 14% 20.9%
2007 14% 21.3%
2006 14.1% 21.7%
2005 14.3% 22.2%
2004 14.5% 22.6%
2003 14.8% 23%
2002 15.2% 23.4%
2001 15.6% 23.9%
2000 15.9% 24.4%
1999 16.4% 24.9%
1998 16.8% 25.4%
1997 17.3% 25.9%
1996 17.8% 26.4%
1995 18.3% 26.9%
1994 18.8% 27.4%
1993 19.3% 28%
1992 19.8% 28.5%
1991 20.3% 29.2%
1990 20.8% 30%
1989 21.1% 30.7%
1988 21.4% 31.5%
1987 21.6% 32.4%
1986 22% 33.2%
1985 22.3% 34.1%
1984 22.5% 35.1%
1983 22.7% 36%
1982 22.8% 37%
1981 22.9% 37.8%
1980 23% 38.7%
1979 23.1% 39.5%
1978 23.2% 40.3%
1977 23.3% 41.1%
1976 23.4% 41.8%
1975 23.6% 42.4%
1974 23.7% 43%
1973 23.8% 43.5%
1972 23.9% 44%
1971 24% 44.4%
1970 24.3% 44.8%
1969 24.7% 45%
1968 25.1% 45.2%
1967 25.5% 45.3%
1966 25.8% 45.4%
1965 26.2% 45.4%
1964 26.6% 45.3%
1963 26.9% 45.1%
1962 27.1% 44.8%
1961 27.2% 44.6%
1960 27.2% 44.3%

Data sources: World Bank | Health (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10).

GeoRank.org/birth-rate/slovenia/thailand | CC BY

Children aged 0-14 make up 14.7% of the population in Slovenia and 14.7% in Thailand in 2024, compared to 20.8% and 30% respectively in 1990.

Demographics of Slovenia and Thailand compared.

Fertility rates around the globe

1x

Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/slovenia/thailand | CC BY

Maternal mortality chart: Slovenia vs Thailand

Slovenia
Thailand
1x
Year Maternal mortality per 100K births
Slovenia Thailand
2023 3 34
2022 15 112
2021 8 38
2020 12 36
2019 4 34
2018 4 34
2017 5 34
2016 5 34
2015 5 34
2014 6 34
2013 6 35
2012 6 36
2011 6 37
2010 7 37
2009 7 37
2008 7 37
2007 6 38
2006 6 38
2005 6 40
2004 6 44
2003 6 42
2002 6 44
2001 6 47
2000 7 49
1999 8 48
1998 9 47
1997 9 48
1996 10 49
1995 11 52
1994 12 54
1993 12 57
1992 13 58
1991 13 59
1990 14 60
1989 15 64
1988 16 67
1987 16 72
1986 16 78
1985 17 88

Data sources: World Bank | Gender (1985–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/slovenia/thailand | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 3 deaths per 100,000 live births in Slovenia, compared to 34 deaths in Thailand.

Under-five mortality rates

Slovenia
Thailand

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Slovenia Thailand
2023 0.22% 0.92%
2022 0.23% 0.95%
2021 0.23% 0.98%
2020 0.24% 1.01%
2019 0.24% 1.04%
2018 0.24% 1.08%
2017 0.25% 1.11%
2016 0.26% 1.15%
2015 0.26% 1.19%
2014 0.27% 1.23%
2013 0.28% 1.27%
2012 0.29% 1.32%
2011 0.31% 1.37%
2010 0.32% 1.42%
2009 0.34% 1.47%
2008 0.36% 1.53%
2007 0.38% 1.59%
2006 0.4% 1.66%
2005 0.42% 1.73%
2004 0.44% 1.81%
2003 0.47% 1.89%
2002 0.49% 1.98%
2001 0.52% 2.08%
2000 0.54% 2.18%
1999 0.58% 2.29%
1998 0.61% 2.41%
1997 0.65% 2.53%
1996 0.69% 2.67%
1995 0.73% 2.81%
1994 0.79% 2.96%
1993 0.84% 3.12%
1992 0.9% 3.3%
1991 0.97% 3.49%
1990 1.04% 3.69%
1989 1.11% 3.91%
1988 1.19% 4.12%
1987 1.27% 4.34%
1986 1.36% 4.57%
1985 1.44% 4.8%
1984 1.53% 5.03%
1983 1.61% 5.28%
1982 1.69% 5.53%
1981 1.78% 5.79%
1980 - 6.07%
1979 - 6.36%
1978 - 6.67%
1977 - 7%
1976 - 7.35%
1975 - 7.73%
1974 - 8.14%
1973 - 8.56%
1972 - 9.01%
1971 - 9.47%
1970 - 9.95%
1969 - 10.4%
1968 - 10.9%
1967 - 11.4%
1966 - 11.8%
1965 - 12.3%
1964 - 12.8%
1963 - 13.2%
1962 - 13.7%
1961 - 14.2%
1960 - 14.7%

Data sources: World Bank | Health (1960–2023, retrieved 2026-04-06).

GeoRank.org/birth-rate/slovenia/thailand | CC BY

The chance that a newborn baby will die before reaching age five is 0.22% in Slovenia and 0.92% in Thailand. Above is a chart with historical data on under-five mortality rates.

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Data sources:

  1. World Bank | Health (1960–2024, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (2025–2100, retrieved 2026-03-10)
  3. United Nations Economic Commission for Europe (UNECE) (2023, retrieved 2026-03-10)
  4. Central Intelligence Agency (CIA) (2025, retrieved 2026-02-20)

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