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Population in Kazakhstan compared to Sierra Leone: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Kazakhstan was 20,843,754 in 2025 vs 8,819,794 people in Sierra Leone in 2025. In 2026, based on the adjusted UN estimation, the current Kazakhstan's population is 21,211,812 people compared to 9,090,531 in Sierra Leone.

Population statistics:

  • Kazakhstan's population is 2.33 times bigger than Sierra Leone's.
  • Kazakhstan is ranked the 65th most populous country in the world, while Sierra Leone is the 100th.
  • The countries together account for 0.36% of the world: 0.26% for Kazakhstan vs 0.11% for Sierra Leone.
  • For the last 10 years, Kazakhstan has had an average growth rate of +1.44% per year vs +2.29% in Sierra Leone.
  • Since 2006, the population of Kazakhstan has increased from 16.1M people to 21.2M (31.7% growth), while Sierra Leone has grown from 5.62M to 9.09M (61.6% growth).

Kazakhstan vs Sierra Leone: population by year and forecast

Kazakhstan
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Population
Kazakhstan Sierra Leone
2100 33,837,050 16,107,087
2099 33,761,154 16,121,940
2098 33,683,919 16,135,035
2097 33,603,915 16,149,905
2096 33,512,477 16,160,672
2095 33,413,253 16,169,304
2094 33,314,594 16,168,902
2093 33,213,155 16,173,609
2092 33,116,688 16,170,778
2091 33,013,240 16,163,901
2090 32,907,211 16,154,165
2089 32,798,108 16,142,526
2088 32,686,460 16,128,775
2087 32,563,627 16,112,585
2086 32,439,780 16,085,549
2085 32,315,125 16,064,212
2084 32,187,026 16,040,563
2083 32,051,485 16,006,923
2082 31,925,242 15,970,872
2081 31,787,284 15,930,880
2080 31,648,962 15,892,665
2079 31,514,214 15,850,728
2078 31,366,796 15,801,450
2077 31,219,906 15,750,408
2076 31,072,192 15,695,310
2075 30,923,546 15,635,345
2074 30,771,280 15,580,279
2073 30,625,478 15,512,655
2072 30,477,563 15,442,481
2071 30,326,181 15,370,747
2070 30,173,109 15,293,426
2069 30,013,948 15,212,664
2068 29,862,364 15,124,069
2067 29,712,186 15,028,190
2066 29,557,994 14,931,295
2065 29,396,139 14,833,794
2064 29,235,466 14,736,872
2063 29,071,908 14,638,180
2062 28,907,357 14,525,736
2061 28,738,535 14,420,068
2060 28,568,026 14,307,451
2059 28,391,809 14,194,972
2058 28,215,085 14,077,124
2057 28,037,220 13,957,197
2056 27,842,554 13,832,494
2055 27,643,057 13,702,508
2054 27,444,561 13,576,231
2053 27,234,548 13,440,929
2052 27,022,716 13,299,910
2051 26,809,526 13,152,910
2050 26,593,675 13,006,688
2049 26,376,242 12,863,637
2048 26,146,925 12,712,671
2047 25,911,330 12,566,944
2046 25,678,409 12,411,042
2045 25,442,326 12,254,651
2044 25,206,576 12,088,895
2043 24,971,131 11,928,393
2042 24,737,722 11,767,372
2041 24,507,695 11,599,942
2040 24,273,388 11,428,331
2039 24,047,108 11,259,845
2038 23,821,741 11,097,180
2037 23,600,163 10,928,754
2036 23,374,793 10,757,928
2035 23,151,259 10,582,918
2034 22,926,675 10,411,088
2033 22,700,937 10,238,503
2032 22,470,522 10,059,929
2031 22,247,053 9,881,109
2030 22,020,172 9,705,485
2029 21,792,016 9,529,493
2028 21,558,709 9,358,412
2027 21,326,341 9,177,288
2026 21,090,850 8,998,902
2025 20,843,754 8,819,794
2024 20,592,571 8,642,022
2023 20,330,104 8,460,512
2022 20,034,609 8,276,807
2021 19,743,603 8,094,602
2020 19,482,117 7,912,558
2019 19,209,555 7,731,991
2018 18,932,727 7,554,563
2017 18,651,931 7,379,299
2016 18,363,600 7,205,328
2015 18,084,169 7,037,655
2014 17,816,285 6,876,385
2013 17,556,502 6,714,051
2012 17,306,106 6,551,080
2011 17,066,002 6,387,251
2010 16,836,810 6,222,714
2009 16,619,846 6,055,646
2008 16,426,525 5,894,722
2007 16,257,214 5,749,352
2006 16,103,716 5,624,466
2005 15,968,117 5,501,712
2004 15,850,159 5,355,717
2003 15,747,380 5,177,687
2002 15,656,677 4,971,435
2001 15,575,550 4,692,716
2000 15,501,103 4,423,611
1999 15,455,874 4,318,043
1998 15,647,785 4,295,785
1997 16,043,251 4,253,716
1996 16,416,027 4,199,210
1995 16,730,536 4,179,179
1994 17,043,771 4,173,105
1993 17,274,487 4,157,130
1992 17,332,625 4,166,366
1991 17,278,600 4,246,267
1990 17,154,054 4,196,828
1989 16,997,013 4,034,037
1988 16,781,168 3,934,517
1987 16,527,715 3,829,718
1986 16,262,702 3,728,380
1985 16,031,090 3,638,438
1984 15,844,621 3,558,758
1983 15,665,551 3,481,646
1982 15,492,595 3,408,183
1981 15,323,082 3,338,940
1980 15,152,949 3,272,089
1979 14,978,696 3,207,499
1978 14,711,497 3,145,517
1977 14,353,265 3,085,354
1976 13,998,738 3,028,820
1975 13,700,843 2,974,657
1974 13,454,570 2,920,459
1973 13,208,121 2,866,955
1972 12,951,798 2,814,388
1971 12,684,813 2,763,222
1970 12,419,057 2,712,286
1969 12,156,212 2,661,365
1968 11,879,182 2,611,532
1967 11,584,428 2,562,384
1966 11,288,989 2,514,638
1965 10,993,183 2,468,666
1964 10,690,309 2,424,390
1963 10,377,466 2,382,258
1962 10,058,928 2,342,242
1961 9,742,085 2,304,227
1960 9,429,981 2,268,356

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/kazakhstan/sierra-leone | CC BY

From 2006 to 2016, the population of Kazakhstan increased by 2,259,884 people (a 14% growth), while Sierra Leone gained 1,580,862 people (a 28.1% growth).

For the next 10 years, from 2016 to 2026, Kazakhstan gained 2,848,212 people (a 15.5% growth), while Sierra Leone's population increased by 1,885,203 people (a 26.2% growth).

Kazakhstan was ranked 62nd most populous country in 2006 and is 65th in 2026. Sierra Leone was ranked 105th in 2006 and ranked 100th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Kazakhstan's population will grow by 25.4% to 26,593,675 people with a rank change from 65th to 64th. The population of Sierra Leone will increase by 43.1% to 13,006,688 people and rank change from 100th to 91st.

Kazakhstan is projected to reach its peak in 2100 at 33.8M people compared to the peak of 16.2M people in 2093 for Sierra Leone.

Population growth rate by year

Kazakhstan
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Growth rate
Kazakhstan Sierra Leone
2100 0.22% -0.09%
2099 0.23% -0.08%
2098 0.24% -0.09%
2097 0.27% -0.07%
2096 0.3% -0.05%
2095 0.3% 0.002%
2094 0.31% -0.03%
2093 0.29% 0.02%
2092 0.31% 0.04%
2091 0.32% 0.06%
2090 0.33% 0.07%
2089 0.34% 0.09%
2088 0.38% 0.1%
2087 0.38% 0.17%
2086 0.39% 0.13%
2085 0.4% 0.15%
2084 0.42% 0.21%
2083 0.4% 0.23%
2082 0.43% 0.25%
2081 0.44% 0.24%
2080 0.43% 0.26%
2079 0.47% 0.31%
2078 0.47% 0.32%
2077 0.48% 0.35%
2076 0.48% 0.38%
2075 0.49% 0.35%
2074 0.48% 0.44%
2073 0.49% 0.45%
2072 0.5% 0.47%
2071 0.51% 0.51%
2070 0.53% 0.53%
2069 0.51% 0.59%
2068 0.51% 0.64%
2067 0.52% 0.65%
2066 0.55% 0.66%
2065 0.55% 0.66%
2064 0.56% 0.67%
2063 0.57% 0.77%
2062 0.59% 0.73%
2061 0.6% 0.79%
2060 0.62% 0.79%
2059 0.63% 0.84%
2058 0.63% 0.86%
2057 0.7% 0.9%
2056 0.72% 0.95%
2055 0.72% 0.93%
2054 0.77% 1.01%
2053 0.78% 1.06%
2052 0.8% 1.12%
2051 0.81% 1.12%
2050 0.82% 1.11%
2049 0.88% 1.19%
2048 0.91% 1.16%
2047 0.91% 1.26%
2046 0.93% 1.28%
2045 0.94% 1.37%
2044 0.94% 1.35%
2043 0.94% 1.37%
2042 0.94% 1.44%
2041 0.97% 1.5%
2040 0.94% 1.5%
2039 0.95% 1.47%
2038 0.94% 1.54%
2037 0.96% 1.59%
2036 0.97% 1.65%
2035 0.98% 1.65%
2034 0.99% 1.69%
2033 1.03% 1.78%
2032 1% 1.81%
2031 1.03% 1.81%
2030 1.05% 1.85%
2029 1.08% 1.83%
2028 1.09% 1.97%
2027 1.12% 1.98%
2026 1.19% 2.03%
2025 1.22% 2.06%
2024 1.29% 2.15%
2023 1.47% 2.22%
2022 1.47% 2.25%
2021 1.34% 2.3%
2020 1.42% 2.34%
2019 1.46% 2.35%
2018 1.51% 2.38%
2017 1.57% 2.41%
2016 1.55% 2.38%
2015 1.5% 2.35%
2014 1.48% 2.42%
2013 1.45% 2.49%
2012 1.41% 2.56%
2011 1.36% 2.64%
2010 1.31% 2.76%
2009 1.18% 2.73%
2008 1.04% 2.53%
2007 0.95% 2.22%
2006 0.85% 2.23%
2005 0.74% 2.73%
2004 0.65% 3.44%
2003 0.58% 4.15%
2002 0.52% 5.94%
2001 0.48% 6.08%
2000 0.29% 2.44%
1999 -1.23% 0.52%
1998 -2.46% 0.99%
1997 -2.27% 1.3%
1996 -1.88% 0.48%
1995 -1.84% 0.15%
1994 -1.34% 0.38%
1993 -0.34% -0.22%
1992 0.31% -1.88%
1991 0.73% 1.18%
1990 0.92% 4.04%
1989 1.29% 2.53%
1988 1.53% 2.74%
1987 1.63% 2.72%
1986 1.44% 2.47%
1985 1.18% 2.24%
1984 1.14% 2.21%
1983 1.12% 2.16%
1982 1.11% 2.07%
1981 1.12% 2.04%
1980 1.16% 2.01%
1979 1.82% 1.97%
1978 2.5% 1.95%
1977 2.53% 1.87%
1976 2.17% 1.82%
1975 1.83% 1.86%
1974 1.87% 1.87%
1973 1.98% 1.87%
1972 2.1% 1.85%
1971 2.14% 1.88%
1970 2.16% 1.91%
1969 2.33% 1.91%
1968 2.54% 1.92%
1967 2.62% 1.9%
1966 2.69% 1.86%
1965 2.83% 1.83%
1964 3.01% 1.77%
1963 3.17% 1.71%
1962 3.25% 1.65%
1961 3.31% 1.58%

Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).

GeoRank.org/population/kazakhstan/sierra-leone | CC BY

In 2025, the population of Kazakhstan grew by 1.22%, while Sierra Leone's population grew by 2.06%.

Live population counters

Kazakhstan Sierra Leone
Current population
21211812
9090531
Population rank 65/197 100/197
Percent of world population 0.26% 0.11%
One net population change
2.1 minutes
2.96 minutes
One birth every
1.31 minutes
2.02 minutes
One death every
3.81 minutes
7.41 minutes
Daily growth/decline +688 +487
Annual growth/decline +251,183 +177,772
Annual growth/decline rate +1.22% +2.06%
Population growth rate rank 85/197 47/197
One migration net change every
59.7 minutes
46.6 minutes
Annual migration change -8,834 -11,309
Net migration rank 130/196 136/196
Foreign-born residents 2,089,797 49,997
Foreign-born residents rank 36/195 151/195
Foreign-born share of population 10.1% 0.6%
Foreign-born share rank 66/195 174/195

Natural population change vs migration

Kazakhstan
Natural

Migration
Sierra Leone
Natural

Migration
1x
Year Population change
Kazakhstan Sierra Leone
Natural Migration Natural Migration
2025 - -8,834 - -11,309
2024 264,079 -7,368 189,234 -11,000
2023 273,013 -4,822 188,788 -4,000
2022 277,019 45,755 186,625 -4,000
2021 269,026 -9,804 183,326 -1,544
2020 272,458 -8,716 181,015 1,292
2019 278,788 2,594 181,068 -2,238
2018 278,917 -6,644 178,772 -2,741
2017 268,066 21,248 173,259 1,234
2016 277,878 9,478 168,784 4,657
2015 273,523 -2,011 162,275 -356
2014 274,406 -10,170 160,137 485
2013 259,239 -3,925 161,265 2,773
2012 249,987 -4,512 160,915 988
2011 237,883 -3,160 158,858 6,895
2010 230,479 -6,840 155,338 7,983
2009 218,036 -7,758 152,669 18,145
2008 214,169 -37,796 149,855 1,182
2007 188,486 -26,237 145,740 -6,042
2006 166,480 -21,728 144,127 -34,052
2005 146,619 -20,171 137,234 -1,805
2004 132,286 -22,841 132,661 23,897
2003 112,137 -16,027 130,312 69,185
2002 93,564 -8,272 126,429 86,578
2001 84,279 -7,333 116,647 227,791
2000 80,699 -8,754 110,754 83,013
1999 79,536 -61,031 102,295 -84,926
1998 85,735 -488,075 103,906 -76,766
1997 92,778 -481,380 105,433 -48,437
1996 112,384 -469,331 104,140 -52,110
1995 140,721 -412,775 100,885 -112,857
1994 165,631 -520,028 101,486 -77,371
1993 185,649 -292,682 103,317 -95,476
1992 204,785 -214,015 103,251 -129,565
1991 221,581 -104,271 105,477 -238,965
1990 235,113 -103,336 100,778 131,587
1989 254,394 -72,096 98,298 -5,079
1988 275,278 -25,892 96,344 9,470
1987 290,227 -32,724 94,235 9,558
1986 295,818 -23,297 90,902 7,992
1985 293,834 -103,115 88,869 -7,873
1984 278,485 -96,266 87,072 -8,708
1983 260,471 -84,566 84,628 -8,783
1982 246,983 -76,976 82,457 -11,379
1981 243,652 -74,624 80,111 -12,699
1980 238,977 -67,731 77,932 -11,641
1979 237,442 -60,198 75,992 -13,095
1978 225,895 131,248 74,130 -13,073
1977 224,284 135,047 71,663 -12,399
1976 221,992 127,735 69,506 -15,686
1975 219,748 26,332 67,560 -13,058
1974 217,668 28,807 65,357 -11,473
1973 215,940 30,467 62,443 -9,322
1972 212,319 53,914 60,279 -8,267
1971 202,450 65,291 58,484 -8,162
1970 191,775 72,000 56,513 -4,957
1969 184,118 77,805 54,768 -4,485
1968 186,254 105,890 53,126 -3,743
1967 191,536 105,830 51,734 -2,819
1966 191,506 101,999 49,486 -2,911
1965 194,470 103,626 47,223 -1,851
1964 208,899 98,761 45,487 -2,308
1963 223,105 94,932 43,569 -2,480
1962 228,177 90,842 41,603 -2,658
1961 228,686 85,981 40,022 -2,947
1960 226,027 83,525 38,192 -3,528

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/kazakhstan/sierra-leone | CC BY

Over the last 10 years, 98.6% of the population change in Kazakhstan is from natural causes (a gain of 2,732,767 people) and 1.43% is from migration (a gain of 39,710 people). In Sierra Leone 99% is from natural causes (a gain of 1,793,146 people) and 1.03% is from migration (a loss of 18,696 people).

As of 2024, 2,089,797 residents or 10.1% of the population were not native-born in Kazakhstan, compared to 49,997 people or 0.6% in Sierra Leone.

Biggest cities by population

Kazakhstan
City Population
Almaty 2.23M
Shymkent 1.19M
Nur-Sultan 1.08M
Karaganda 516K
Taraz 418K
Aktobe 388K
Semey 350K
Pavlodar 333K
Oskemen 333K
Atyrau 323K
Sierra Leone
City Population
Freetown 951K
Bo 234K
Kenema 188K

Compare countries by 7 more topics

Population map with other countries

1x

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).

GeoRank.org/population/kazakhstan/sierra-leone | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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