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Fertility & birth rates in Solomon Islands and Thailand

Updated on by Georank team

The Solomon Islands has an annual birth rate of 26.9 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 3.56 in the Solomon Islands and 1.21 in Thailand — 65.9% difference.

1960 vs 2023, the fertility rate has decreased by 49.7% in the Solomon Islands and by 80.8% in Thailand — in 1960, it was 7.07 and 6.33, respectively.

  • The Solomon Islands is ranked 45/196 by birth rate compared to 173/196 for Thailand.
  • The mean age for first-time mothers is 22.6 years in the Solomon Islands, compared to 23.3 years in Thailand.
  • The mean age at childbearing (for all the births, not just the first) is 29.1 in the Solomon Islands — it's 28.6 in Thailand.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 50.4 in the Solomon Islands vs 26.1 in Thailand.
  • In the Solomon Islands, 24.8% of the population is composed of women of reproductive age (15-49), compared to 24.1% in Thailand.

Fertility rate in Solomon Islands vs Thailand by year

Solomon Islands
Thailand
1x
Year Fertility rate
Solomon Islands Thailand
2023 3.56 1.21
2022 3.62 1.22
2021 3.69 1.23
2020 3.75 1.26
2019 3.8 1.29
2018 3.93 1.32
2017 4.06 1.36
2016 4.2 1.4
2015 4.29 1.45
2014 4.36 1.48
2013 4.33 1.53
2012 4.33 1.56
2011 4.34 1.57
2010 4.34 1.56
2009 4.35 1.57
2008 4.36 1.59
2007 4.37 1.62
2006 4.39 1.63
2005 4.41 1.64
2004 4.47 1.67
2003 4.54 1.67
2002 4.6 1.69
2001 4.67 1.71
2000 4.76 1.73
1999 4.86 1.77
1998 4.98 1.82
1997 5.09 1.85
1996 5.22 1.87
1995 5.34 1.89
1994 5.4 1.93
1993 5.45 1.97
1992 5.51 2.01
1991 5.62 2.04
1990 5.74 2.07
1989 5.87 2.14
1988 5.99 2.17
1987 6.12 2.26
1986 6.26 2.36
1985 6.38 2.45
1984 6.49 2.58
1983 6.57 2.76
1982 6.64 2.94
1981 6.71 3.13
1980 6.77 3.29
1979 6.82 3.45
1978 6.87 3.62
1977 6.92 3.87
1976 6.95 4.12
1975 6.99 4.36
1974 7.01 4.6
1973 7 4.85
1972 6.99 5.08
1971 6.99 5.25
1970 6.98 5.45
1969 6.97 5.7
1968 6.95 5.93
1967 6.97 6.08
1966 7 6.18
1965 7.02 6.26
1964 7.05 6.31
1963 7.03 6.34
1962 7.04 6.33
1961 7.05 6.32
1960 7.07 6.33

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

GeoRank.org/birth-rate/solomon-islands/thailand | CC BY

According to the latest available data on birth rates, the fertility rate in the Solomon Islands was 3.56 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 the Solomon Islands vs Thailand population clock for a dynamic visualization of the changing population.

Natural population change by year

Solomon Islands
Thailand
1x
Year Natural population change
Solomon Islands Thailand
2023 17,436 -46,105
2022 17,253 -61,046
2021 16,626 57,382
2020 16,488 84,107
2019 16,649 116,867
2018 16,790 159,383
2017 16,897 194,695
2016 17,027 226,255
2015 16,909 266,362
2014 16,652 294,628
2013 16,038 325,059
2012 15,585 351,485
2011 15,095 365,670
2010 14,604 370,466
2009 14,381 382,636
2008 14,225 401,730
2007 13,963 425,362
2006 13,799 441,211
2005 13,568 456,378
2004 13,444 466,542
2003 13,344 488,003
2002 13,195 504,299
2001 13,061 524,230
2000 12,938 543,884
1999 12,809 578,073
1998 12,658 617,318
1997 12,478 644,834
1996 12,328 661,397
1995 12,124 682,703
1994 11,771 712,589
1993 11,396 737,696
1992 11,029 754,999
1991 10,789 760,508
1990 10,561 760,808
1989 10,354 774,563
1988 10,142 765,252
1987 9,943 774,498
1986 9,656 783,430
1985 9,534 776,935
1984 9,299 779,856
1983 9,011 794,239
1982 8,720 817,951
1981 8,436 839,297
1980 8,156 845,575
1979 7,874 843,434
1978 7,598 847,799
1977 7,290 871,232
1976 7,058 894,072
1975 6,635 911,980
1974 6,612 923,151
1973 6,343 933,540
1972 6,074 940,420
1971 5,814 936,215
1970 5,575 937,116
1969 5,444 948,314
1968 5,285 953,806
1967 5,151 944,980
1966 5,028 929,469
1965 4,885 909,000
1964 4,747 885,137
1963 4,571 860,728
1962 4,408 828,741
1961 4,257 801,140
1960 4,119 774,190

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

GeoRank.org/birth-rate/solomon-islands/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 +2.18% in the Solomon Islands and -0.06% in Thailand.

For the past 10 years, the annual natural population change has been +2.38% in the Solomon Islands and +0.18% in Thailand.

Birth rate in Solomon Islands vs Thailand by year

Solomon Islands
Thailand

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Solomon Islands Thailand
2023 26.9 8.24
2022 27.3 8.38
2021 27.7 8.54
2020 28 8.79
2019 28.4 9.06
2018 29.1 9.4
2017 30.1 9.77
2016 31.1 10.1
2015 31.9 10.6
2014 32.6 11
2013 32.5 11.4
2012 32.7 11.8
2011 33 11.9
2010 33.2 12
2009 33.7 12.2
2008 33.8 12.5
2007 33.9 12.9
2006 34 13.2
2005 34 13.5
2004 34.3 13.8
2003 34.6 14.1
2002 34.8 14.3
2001 35.1 14.7
2000 35.4 15
1999 35.8 15.6
1998 36.3 16.3
1997 36.7 16.8
1996 37.3 17.3
1995 37.7 17.7
1994 37.7 18.2
1993 37.6 18.7
1992 37.5 19.2
1991 37.9 19.5
1990 38.3 19.6
1989 38.7 20.1
1988 39.2 20.2
1987 39.7 20.7
1986 40.3 21.3
1985 40.6 21.7
1984 41 22.3
1983 41.2 23.3
1982 41.4 24.5
1981 41.7 25.5
1980 41.9 26.3
1979 42.2 26.8
1978 42.6 27.5
1977 42.9 28.6
1976 43.3 29.8
1975 43.8 31.1
1974 44.1 32.3
1973 44.1 33.5
1972 44.1 34.7
1971 44.2 35.6
1970 44.2 36.7
1969 44.6 38.3
1968 44.9 39.7
1967 45.4 40.8
1966 45.8 41.6
1965 46.1 42.2
1964 46.5 42.8
1963 46.5 43.2
1962 46.5 43.4
1961 46.7 43.6
1960 46.8 43.8

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

GeoRank.org/birth-rate/solomon-islands/thailand | CC BY

The latest reported birth rate per 1,000 people in 2023 was 26.9 in the Solomon Islands and 8.24 in Thailand, compared with 46.8 and 43.8, respectively, in 1960.

Birth rate data compared

Solomon Islands Thailand
Fertility rate 3.56 1.21
Fertility rate rank 44/196 179/196
Birth rate 26.9 8.24
Birth rate rank 45/196 173/196
Population change due to births and deaths +17,436 -46,105
Natural population change rank 112/196 183/196
Natural population change rate +2.18% -0.06%
Population growth +2.4% -0.05%
Population growth rank 33/197 168/197
Age at first childbirth 22.6 years 23.3 years
Average age at childbearing 29.1 years 28.6 years
Annual births per 1,000 women ages 15-19 48.1 23
Annual births per 1,000 women ages 20-29 173 57.4
Annual births per 1,000 women ages 30+ 51.9 9.94
Female of reproductive age (15-49), share of population 24.8% 24.1%
Any modern method of contraceptive prevalence among married women ages 15-49 24.3% 70.7%
Share of births attended by skilled health staff 86.2% 99.1%
Maternal mortality per live birth 0.12% 0.03%
Neonatal mortality rate (before reaching 28 days of age) 0.83% 0.52%
Infant mortality rate (before reaching 1 year of age) 1.65% 0.8%
Mortality rate before reaching 5 years of age 2.06% 0.92%
Life expectancy 71 years 77.1 years

Children 0-14 years as share of population

Solomon Islands
Factual

UN forecast
Thailand
Factual

UN forecast
1x
Year Young
Solomon Islands Thailand
2100 19% 11.4%
2099 19.1% 11.4%
2098 19.2% 11.4%
2097 19.4% 11.4%
2096 19.5% 11.4%
2095 19.6% 11.3%
2094 19.8% 11.3%
2093 19.9% 11.3%
2092 20% 11.3%
2091 20.2% 11.3%
2090 20.3% 11.3%
2089 20.5% 11.3%
2088 20.6% 11.3%
2087 20.8% 11.3%
2086 21% 11.3%
2085 21.2% 11.3%
2084 21.3% 11.3%
2083 21.5% 11.3%
2082 21.7% 11.3%
2081 21.9% 11.3%
2080 22.1% 11.2%
2079 22.3% 11.2%
2078 22.4% 11.2%
2077 22.6% 11.2%
2076 22.8% 11.1%
2075 23% 11.1%
2074 23.2% 11.1%
2073 23.4% 11%
2072 23.6% 11%
2071 23.8% 11%
2070 24% 11%
2069 24.2% 10.9%
2068 24.4% 10.9%
2067 24.6% 10.9%
2066 24.8% 10.9%
2065 25% 10.9%
2064 25.2% 10.9%
2063 25.4% 11%
2062 25.6% 11%
2061 25.9% 11%
2060 26.1% 11.1%
2059 26.3% 11.1%
2058 26.6% 11.1%
2057 26.8% 11.2%
2056 27.1% 11.2%
2055 27.4% 11.3%
2054 27.7% 11.3%
2053 28% 11.4%
2052 28.3% 11.4%
2051 28.6% 11.5%
2050 28.9% 11.5%
2049 29.2% 11.6%
2048 29.4% 11.6%
2047 29.7% 11.6%
2046 30% 11.7%
2045 30.3% 11.7%
2044 30.6% 11.7%
2043 30.8% 11.7%
2042 31.1% 11.8%
2041 31.3% 11.8%
2040 31.6% 11.8%
2039 31.8% 11.9%
2038 32.1% 11.9%
2037 32.3% 12%
2036 32.5% 12%
2035 32.8% 12.1%
2034 33% 12.2%
2033 33.4% 12.4%
2032 33.7% 12.6%
2031 34.1% 12.8%
2030 34.5% 13%
2029 35% 13.3%
2028 35.4% 13.6%
2027 35.9% 13.9%
2026 36.3% 14.2%
2025 36.8% 14.6%
2024 37% 14.7%
2023 37.4% 15.1%
2022 37.7% 15.4%
2021 38.1% 15.8%
2020 38.4% 16.2%
2019 38.7% 16.6%
2018 39% 16.9%
2017 39.4% 17.3%
2016 39.7% 17.7%
2015 40% 18.1%
2014 40.2% 18.5%
2013 40.4% 18.8%
2012 40.7% 19.2%
2011 40.8% 19.7%
2010 41% 20.1%
2009 41.1% 20.6%
2008 41.2% 20.9%
2007 41.2% 21.3%
2006 41.3% 21.7%
2005 41.5% 22.2%
2004 41.7% 22.6%
2003 41.9% 23%
2002 42.2% 23.4%
2001 42.5% 23.9%
2000 42.9% 24.4%
1999 43.2% 24.9%
1998 43.5% 25.4%
1997 43.8% 25.9%
1996 44% 26.4%
1995 44.3% 26.9%
1994 44.5% 27.4%
1993 44.8% 28%
1992 45.1% 28.5%
1991 45.4% 29.2%
1990 45.8% 30%
1989 46.2% 30.7%
1988 46.6% 31.5%
1987 46.9% 32.4%
1986 47.3% 33.2%
1985 47.5% 34.1%
1984 47.8% 35.1%
1983 47.9% 36%
1982 48.1% 37%
1981 48.2% 37.8%
1980 48.3% 38.7%
1979 48.3% 39.5%
1978 48.3% 40.3%
1977 48.3% 41.1%
1976 48.2% 41.8%
1975 47.9% 42.4%
1974 47.5% 43%
1973 47.1% 43.5%
1972 46.9% 44%
1971 46.8% 44.4%
1970 46.7% 44.8%
1969 46.6% 45%
1968 46.4% 45.2%
1967 46.2% 45.3%
1966 46% 45.4%
1965 45.9% 45.4%
1964 45.8% 45.3%
1963 45.9% 45.1%
1962 46% 44.8%
1961 46.1% 44.6%
1960 46.3% 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/solomon-islands/thailand | CC BY

Children aged 0-14 make up 37% of the population in the Solomon Islands and 14.7% in Thailand in 2024, compared to 45.8% and 30% respectively in 1990.

Demographics of the Solomon Islands and Thailand compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/solomon-islands/thailand | CC BY

Maternal mortality chart: Solomon Islands vs Thailand

Solomon Islands
Thailand
1x
Year Maternal mortality per 100K births
Solomon Islands Thailand
2023 123 34
2022 126 112
2021 153 38
2020 131 36
2019 135 34
2018 136 34
2017 140 34
2016 143 34
2015 146 34
2014 147 34
2013 147 35
2012 146 36
2011 147 37
2010 148 37
2009 152 37
2008 153 37
2007 163 38
2006 159 38
2005 161 40
2004 164 44
2003 167 42
2002 168 44
2001 167 47
2000 166 49
1999 164 48
1998 165 47
1997 164 48
1996 166 49
1995 168 52
1994 170 54
1993 173 57
1992 174 58
1991 178 59
1990 184 60
1989 188 64
1988 193 67
1987 200 72
1986 226 78
1985 209 88

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

GeoRank.org/birth-rate/solomon-islands/thailand | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 123 deaths per 100,000 live births in the Solomon Islands, compared to 34 deaths in Thailand.

Under-five mortality rates

Solomon Islands
Thailand

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Solomon Islands Thailand
2023 2.06% 0.92%
2022 2.12% 0.95%
2021 2.18% 0.98%
2020 2.24% 1.01%
2019 2.3% 1.04%
2018 2.36% 1.08%
2017 2.41% 1.11%
2016 2.45% 1.15%
2015 2.49% 1.19%
2014 2.53% 1.23%
2013 2.58% 1.27%
2012 2.62% 1.32%
2011 2.67% 1.37%
2010 2.72% 1.42%
2009 2.76% 1.47%
2008 2.81% 1.53%
2007 2.85% 1.59%
2006 2.88% 1.66%
2005 2.91% 1.73%
2004 2.94% 1.81%
2003 2.97% 1.89%
2002 2.99% 1.98%
2001 3.03% 2.08%
2000 3.07% 2.18%
1999 3.11% 2.29%
1998 3.16% 2.41%
1997 3.21% 2.53%
1996 3.27% 2.67%
1995 3.35% 2.81%
1994 3.43% 2.96%
1993 3.52% 3.12%
1992 3.62% 3.3%
1991 3.72% 3.49%
1990 3.82% 3.69%
1989 3.93% 3.91%
1988 4.04% 4.12%
1987 4.16% 4.34%
1986 4.28% 4.57%
1985 4.42% 4.8%
1984 4.58% 5.03%
1983 4.74% 5.28%
1982 4.93% 5.53%
1981 5.14% 5.79%
1980 5.38% 6.07%
1979 5.64% 6.36%
1978 5.95% 6.67%
1977 6.29% 7%
1976 6.68% 7.35%
1975 7.9% 7.73%
1974 7.6% 8.14%
1973 8.12% 8.56%
1972 8.69% 9.01%
1971 9.29% 9.47%
1970 9.94% 9.95%
1969 10.6% 10.4%
1968 11.3% 10.9%
1967 12% 11.4%
1966 12.7% 11.8%
1965 13.3% 12.3%
1964 14% 12.8%
1963 14.7% 13.2%
1962 15.4% 13.7%
1961 16% 14.2%
1960 16.7% 14.7%

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

GeoRank.org/birth-rate/solomon-islands/thailand | CC BY

The chance that a newborn baby will die before reaching age five is 2.06% in the Solomon Islands 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. Central Intelligence Agency (CIA) (2025, retrieved 2026-02-20)

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