Skip to content

Fertility & birth rates in Poland and Sierra Leone

Updated on by Georank team

Poland has an annual birth rate of 7.4 births per 1,000 people, compared to 30.6 for Sierra Leone. The average number of children a woman is expected to have during her lifetime — the fertility rate, is 1.16 in Poland and 3.79 in Sierra Leone — 227.4% difference.

1960 vs 2023, the fertility rate has decreased by 61.1% in Poland and by 38.6% in Sierra Leone — in 1960, it was 2.98 and 6.18, respectively.

  • Poland is ranked 183/196 by birth rate compared to 29/196 for Sierra Leone.
  • The mean age for first-time mothers is 28.4 years in Poland, compared to 19.6 years in Sierra Leone.
  • The mean age at childbearing (for all the births, not just the first) is 30.1 in Poland — it's 28.5 in Sierra Leone.
  • Annual births per 1,000 women ages 15-19 (adolescent birth rate or teenage mother rate) is 6.19 in Poland vs 93.6 in Sierra Leone.
  • In Poland, 22.9% of the population is composed of women of reproductive age (15-49), compared to 25.4% in Sierra Leone.

Fertility rate in Poland vs Sierra Leone by year

Poland
Sierra Leone
1x
Year Fertility rate
Poland Sierra Leone
2023 1.16 3.79
2022 1.29 3.88
2021 1.33 3.98
2020 1.39 4.08
2019 1.44 4.19
2018 1.46 4.29
2017 1.48 4.39
2016 1.39 4.47
2015 1.32 4.55
2014 1.32 4.7
2013 1.29 4.87
2012 1.33 5.06
2011 1.33 5.21
2010 1.41 5.33
2009 1.4 5.45
2008 1.39 5.56
2007 1.31 5.64
2006 1.27 5.74
2005 1.24 5.81
2004 1.23 5.92
2003 1.22 6.09
2002 1.25 6.23
2001 1.31 6.31
2000 1.37 6.36
1999 1.37 6.42
1998 1.44 6.5
1997 1.51 6.53
1996 1.59 6.55
1995 1.62 6.56
1994 1.81 6.56
1993 1.87 6.57
1992 1.95 6.56
1991 2.07 6.55
1990 2.06 6.57
1989 2.08 6.57
1988 2.13 6.59
1987 2.15 6.61
1986 2.22 6.6
1985 2.33 6.59
1984 2.37 6.59
1983 2.42 6.57
1982 2.34 6.56
1981 2.24 6.55
1980 2.28 6.56
1979 2.28 6.58
1978 2.21 6.59
1977 2.23 6.57
1976 2.3 6.55
1975 2.27 6.55
1974 2.26 6.53
1973 2.26 6.47
1972 2.24 6.45
1971 2.25 6.43
1970 2.2 6.41
1969 2.2 6.39
1968 2.24 6.39
1967 2.33 6.38
1966 2.34 6.35
1965 2.52 6.31
1964 2.57 6.29
1963 2.7 6.26
1962 2.72 6.22
1961 2.83 6.21
1960 2.98 6.18

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

GeoRank.org/birth-rate/poland/sierra-leone | CC BY

According to the latest available data on birth rates, the fertility rate in Poland was 1.16 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 Poland vs Sierra Leone population clock for a dynamic visualization of the changing population.

Natural population change by year

Poland
Sierra Leone
1x
Year Natural population change
Poland Sierra Leone
2023 -135,743 188,788
2022 -143,605 186,625
2021 -184,907 183,326
2020 -120,050 181,015
2019 -34,169 181,068
2018 -26,582 178,772
2017 0 173,259
2016 -3,797 168,784
2015 -26,590 162,275
2014 0 160,137
2013 -19,020 161,265
2012 0 160,915
2011 11,419 158,858
2010 38,043 155,338
2009 30,521 152,669
2008 34,313 149,855
2007 11,436 145,740
2006 3,814 144,127
2005 -3,817 137,234
2004 -7,637 132,661
2003 -15,281 130,312
2002 -3,823 126,429
2001 3,825 116,647
2000 11,478 110,754
1999 0 102,295
1998 19,332 103,906
1997 34,785 105,433
1996 42,487 104,140
1995 46,314 100,885
1994 96,357 101,486
1993 103,846 103,317
1992 118,928 103,251
1991 141,511 105,477
1990 160,066 100,778
1989 182,215 98,298
1988 215,599 96,344
1987 226,008 94,235
1986 258,448 90,902
1985 297,615 88,869
1984 332,137 87,072
1983 373,032 84,628
1982 369,551 82,457
1981 351,806 80,111
1980 348,627 77,932
1979 366,571 75,992
1978 339,166 74,130
1977 353,828 71,663
1976 367,612 69,506
1975 350,356 67,560
1974 346,893 65,357
1973 320,229 62,443
1972 314,028 60,279
1971 278,660 58,484
1970 280,913 56,513
1969 270,151 54,768
1968 280,963 53,126
1967 275,089 51,734
1966 297,801 49,486
1965 314,450 47,223
1964 326,965 45,487
1963 359,330 43,569
1962 360,671 41,603
1961 398,521 40,022
1960 444,562 38,192

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

GeoRank.org/birth-rate/poland/sierra-leone | 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 -0.37% in Poland and +2.23% in Sierra Leone.

For the past 10 years, the annual natural population change has been -0.18% in Poland and +2.31% in Sierra Leone.

Birth rate in Poland vs Sierra Leone by year

Poland
Sierra Leone

Annual births per 1,000 people

1x
Year Annual births per 1,000 people
Poland Sierra Leone
2023 7.4 30.6
2022 8.3 31.1
2021 9 31.6
2020 9.5 32.2
2019 9.9 32.8
2018 10.2 33.3
2017 10.6 33.8
2016 10.1 34.2
2015 9.7 34.7
2014 9.9 35.6
2013 9.7 36.6
2012 10.1 37.8
2011 10.2 38.5
2010 10.9 39.1
2009 10.9 39.9
2008 10.9 40.6
2007 10.2 41.1
2006 9.8 41.8
2005 9.5 42
2004 9.3 42.5
2003 9.2 43.5
2002 9.3 44.3
2001 9.6 44
2000 9.9 45
1999 9.9 46.1
1998 10.2 46.3
1997 10.7 46.3
1996 11.1 46.5
1995 11.2 46.8
1994 12.5 46.8
1993 12.9 46.9
1992 13.4 47
1991 14.3 47.5
1990 14.4 45.5
1989 14.9 46.3
1988 15.6 46.4
1987 16.1 46.6
1986 17 46.6
1985 18.3 46.7
1984 19 46.8
1983 19.8 46.7
1982 19.5 46.8
1981 19 46.8
1980 19.6 46.8
1979 19.6 47
1978 19.1 47.2
1977 19.2 47.1
1976 19.6 47.2
1975 19 47.3
1974 18.5 47.4
1973 18 47.2
1972 17.5 47.2
1971 17.2 47.3
1970 16.8 47.4
1969 16.4 47.5
1968 16.3 47.7
1967 16.3 47.9
1966 16.8 48
1965 17.4 48
1964 18.1 48.2
1963 19.2 48.2
1962 19.8 48.1
1961 20.9 48.1
1960 22.6 48

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

GeoRank.org/birth-rate/poland/sierra-leone | CC BY

The latest reported birth rate per 1,000 people in 2023 was 7.4 in Poland and 30.6 in Sierra Leone, compared with 22.6 and 48, respectively, in 1960.

Birth rate data compared

Poland Sierra Leone
Fertility rate 1.16 3.79
Fertility rate rank 187/196 35/196
Birth rate 7.4 30.6
Birth rate rank 183/196 29/196
Population change due to births and deaths -135,743 +188,788
Natural population change rank 190/196 62/196
Natural population change rate -0.37% +2.23%
Population growth -0.35% +2.15%
Population growth rank 181/197 47/197
Age at first childbirth 28.4 years 19.6 years
Average age at childbearing 30.1 years 28.5 years
Annual births per 1,000 women ages 15-19 5.39 87.7
Annual births per 1,000 women ages 20-29 64.8 169.3
Annual births per 1,000 women ages 30+ 11.4 53.4
Female of reproductive age (15-49), share of population 22.9% 25.4%
Any modern method of contraceptive prevalence among married women ages 15-49 50.7% 20.9%
Share of births attended by skilled health staff 99.6% 86.9%
Maternal mortality per live birth 0.002% 0.35%
Neonatal mortality rate (before reaching 28 days of age) 0.24% 2.93%
Infant mortality rate (before reaching 1 year of age) 0.37% 5.62%
Mortality rate before reaching 5 years of age 0.44% 9.43%
Life expectancy 79.2 years 62.3 years

Children 0-14 years as share of population

Poland
Factual

UN forecast
Sierra Leone
Factual

UN forecast
1x
Year Young
Poland Sierra Leone
2100 10.3% 19%
2099 10.3% 19%
2098 10.4% 19.1%
2097 10.4% 19.2%
2096 10.5% 19.3%
2095 10.5% 19.5%
2094 10.6% 19.6%
2093 10.7% 19.7%
2092 10.7% 19.8%
2091 10.8% 19.9%
2090 10.9% 20%
2089 10.9% 20.1%
2088 10.9% 20.3%
2087 10.9% 20.4%
2086 10.9% 20.5%
2085 10.9% 20.7%
2084 10.9% 20.8%
2083 10.9% 20.9%
2082 10.8% 21.1%
2081 10.7% 21.2%
2080 10.7% 21.4%
2079 10.6% 21.6%
2078 10.5% 21.7%
2077 10.4% 21.9%
2076 10.3% 22.1%
2075 10.3% 22.2%
2074 10.2% 22.4%
2073 10.1% 22.6%
2072 10.1% 22.8%
2071 10.1% 23%
2070 10.1% 23.2%
2069 10.1% 23.4%
2068 10.2% 23.6%
2067 10.2% 23.8%
2066 10.3% 24%
2065 10.4% 24.3%
2064 10.5% 24.5%
2063 10.6% 24.7%
2062 10.7% 25%
2061 10.9% 25.2%
2060 11% 25.5%
2059 11.1% 25.7%
2058 11.2% 26%
2057 11.3% 26.3%
2056 11.4% 26.6%
2055 11.5% 26.9%
2054 11.5% 27.1%
2053 11.5% 27.4%
2052 11.5% 27.7%
2051 11.5% 28.1%
2050 11.5% 28.4%
2049 11.4% 28.7%
2048 11.4% 29%
2047 11.3% 29.3%
2046 11.2% 29.7%
2045 11.2% 30%
2044 11.1% 30.3%
2043 11.1% 30.7%
2042 11% 31.1%
2041 11% 31.4%
2040 11.1% 31.8%
2039 11.1% 32.2%
2038 11.2% 32.6%
2037 11.3% 33%
2036 11.4% 33.4%
2035 11.6% 33.8%
2034 11.9% 34.2%
2033 12.2% 34.6%
2032 12.5% 35%
2031 12.8% 35.4%
2030 13.1% 35.7%
2029 13.4% 36.1%
2028 13.7% 36.5%
2027 14% 37%
2026 14.3% 37.4%
2025 14.6% 37.9%
2024 14.8% 38.1%
2023 15.1% 38.5%
2022 15.3% 39%
2021 15.5% 39.4%
2020 15.5% 39.8%
2019 15.4% 40.2%
2018 15.3% 40.6%
2017 15.2% 41%
2016 15.1% 41.4%
2015 15.1% 41.8%
2014 15.1% 42.2%
2013 15.1% 42.5%
2012 15.1% 42.8%
2011 15.2% 43%
2010 15.1% 43.2%
2009 15.2% 43.4%
2008 15.4% 43.5%
2007 15.7% 43.6%
2006 16% 43.7%
2005 16.5% 43.8%
2004 17% 43.9%
2003 17.5% 43.9%
2002 18.1% 43.9%
2001 18.7% 43.9%
2000 19.4% 43.8%
1999 20.2% 43.7%
1998 20.9% 43.6%
1997 21.6% 43.5%
1996 22.2% 43.5%
1995 22.8% 43.4%
1994 23.4% 43.3%
1993 23.9% 43.2%
1992 24.3% 43.1%
1991 24.6% 43%
1990 25% 42.9%
1989 25.3% 42.9%
1988 25.5% 42.8%
1987 25.6% 42.7%
1986 25.6% 42.6%
1985 25.5% 42.5%
1984 25.3% 42.3%
1983 25% 42.2%
1982 24.7% 42.1%
1981 24.5% 42%
1980 24.3% 41.9%
1979 24.1% 41.8%
1978 24% 41.7%
1977 24% 41.6%
1976 24% 41.4%
1975 24% 41.3%
1974 24.3% 41.1%
1973 24.8% 40.9%
1972 25.4% 40.7%
1971 26.1% 40.6%
1970 26.9% 40.3%
1969 27.8% 40.1%
1968 28.6% 39.9%
1967 29.5% 39.6%
1966 30.3% 39.4%
1965 31.1% 39.1%
1964 31.9% 38.8%
1963 32.5% 38.5%
1962 33% 38.3%
1961 33.4% 38.3%
1960 33.4% 38.2%

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/poland/sierra-leone | CC BY

Children aged 0-14 make up 14.8% of the population in Poland and 38.1% in Sierra Leone in 2024, compared to 25% and 42.9% respectively in 1990.

Demographics of Poland and Sierra Leone compared.

Fertility rates around the globe

1x

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

GeoRank.org/birth-rate/poland/sierra-leone | CC BY

Maternal mortality chart: Poland vs Sierra Leone

Poland
Sierra Leone
1x
Year Maternal mortality per 100K births
Poland Sierra Leone
2023 2 354
2022 2 370
2021 2 403
2020 3 422
2019 2 464
2018 2 491
2017 2 578
2016 2 633
2015 2 730
2014 2 821
2013 2 842
2012 2 915
2011 2 967
2010 3 1,018
2009 3 1,054
2008 3 1,093
2007 3 1,132
2006 4 1,168
2005 4 1,294
2004 4 1,366
2003 5 1,433
2002 5 1,492
2001 6 1,518
2000 7 1,603
1999 8 1,731
1998 9 1,753
1997 10 1,721
1996 11 1,726
1995 12 1,777
1994 14 1,755
1993 15 1,696
1992 16 1,681
1991 18 1,699
1990 18 1,572
1989 18 1,575
1988 18 1,549
1987 18 1,533
1986 19 1,530
1985 19 1,506

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

GeoRank.org/birth-rate/poland/sierra-leone | CC BY

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 2 deaths per 100,000 live births in Poland, compared to 354 deaths in Sierra Leone.

Under-five mortality rates

Poland
Sierra Leone

Probability that a newborn baby will die before reaching age five

1x
Year Under 5 mortality rate
Poland Sierra Leone
2023 0.44% 9.43%
2022 0.44% 9.77%
2021 0.44% 10.1%
2020 0.44% 10.5%
2019 0.44% 10.9%
2018 0.45% 11.3%
2017 0.46% 11.8%
2016 0.48% 12.3%
2015 0.49% 13.8%
2014 0.5% 13.7%
2013 0.52% 13.9%
2012 0.54% 14.5%
2011 0.57% 15.2%
2010 0.6% 15.9%
2009 0.63% 16.6%
2008 0.67% 17.3%
2007 0.7% 18.1%
2006 0.73% 18.8%
2005 0.76% 19.4%
2004 0.78% 20.1%
2003 0.81% 20.7%
2002 0.84% 21.3%
2001 0.88% 21.8%
2000 0.93% 22.4%
1999 1% 22.9%
1998 1.09% 23.4%
1997 1.2% 23.9%
1996 1.32% 24.3%
1995 1.43% 24.7%
1994 1.53% 25%
1993 1.6% 25.3%
1992 1.65% 25.5%
1991 1.69% 25.7%
1990 1.74% 25.9%
1989 1.79% 26.2%
1988 1.84% 26.4%
1987 1.89% 26.6%
1986 1.96% 26.9%
1985 2.03% 27.2%
1984 2.11% 27.5%
1983 2.19% 27.8%
1982 2.26% 28.1%
1981 2.33% 28.5%
1980 2.4% 28.9%
1979 2.47% 29.2%
1978 2.54% 29.6%
1977 2.62% 30%
1976 2.7% 30.5%
1975 2.79% 30.9%
1974 2.9% 31.4%
1973 3.06% 31.9%
1972 3.24% 32.3%
1971 3.42% 32.9%
1970 3.59% 33.4%
1969 3.75% 33.9%
1968 3.89% 34.5%
1967 4.06% 35%
1966 4.29% 35.6%
1965 4.57% 36.2%
1964 4.89% 36.8%
1963 5.23% 37.4%
1962 5.6% 38%
1961 6.02% 38.5%
1960 6.51% 39.1%

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

GeoRank.org/birth-rate/poland/sierra-leone | CC BY

The chance that a newborn baby will die before reaching age five is 0.44% in Poland and 9.43% in Sierra Leone. Above is a chart with historical data on under-five mortality rates.

Compare countries by 7 more topics

Help us show the world through your eyes

Share a photo of your city and help others discover what it looks like to live there. Your contribution makes our data come alive.

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)

Creative Commons Attribution (CC BY) — you’re free to copy, share, remix, adapt, and use even commercially as long as you give appropriate credit and clearly indicate if you made changes. Other sources may be subject to different license terms.