The latest officially reported population of Comoros was 866,628 in 2024 vs 8,642,022 people in Sierra Leone in 2024. In 2025, based on the adjusted UN estimation, the current Comoros' population is 895,828 people compared to 8,961,932 in Sierra Leone.
Population statistics:
- Sierra Leone's population is 10 times bigger than Comoros'.
- Comoros is ranked the 160th most populous country in the world, while Sierra Leone is the 102nd.
- The countries together account for 0.12% of the world: 0.01% for Comoros vs 0.11% for Sierra Leone.
- For the last 10 years, Comoros has had an average growth rate of +2.01% per year vs +2.32% in Sierra Leone.
- Since 2005, the population of Comoros has increased from 593K people to 896K (51.1% growth), while Sierra Leone has grown from 5.5M to 8.96M (62.9% growth).
- Comoros is projected to reach its peak in 2100 at 1.91M people compared to the peak of 16M people in 2092 for Sierra Leone.
Comoros vs Sierra Leone: live population counter
Comoros
|
Sierra Leone
|
|
|---|---|---|
| Current population |
895828
|
8961932
|
| Population rank | 160/197 | 102/197 |
| Percent of world population | 0.01% | 0.11% |
| One net population change |
32.4 minutes
|
2.9 minutes
|
| One birth every |
21.6 minutes
|
2.03 minutes
|
| One death every |
1.43 hours
|
7.5 minutes
|
| One migration net change every |
4.27 hours
|
47.8 minutes
|
| Annual migration change | -2,051 | -11,000 |
| Daily growth/decline | +44 | +497 |
| Annual growth/decline | +16,241 | +181,510 |
| Annual growth/decline rate | +1.91% | +2.15% |
| Population growth rate rank | 58/197 | 49/197 |
Comoros and Sierra Leone: population history and growth rate by year chart
Comoros
Population
Growth rate
Sierra Leone
Population
Growth rate
| Year | Population | Growth rate | ||
|---|---|---|---|---|
|
Comoros
|
Sierra Leone
|
Comoros
|
Sierra Leone
|
|
| 1960 | 197,700 | 2,268,356 | - | - |
| 1961 | 201,201 | 2,304,227 | 1.77% | 1.58% |
| 1962 | 204,702 | 2,342,242 | 1.74% | 1.65% |
| 1963 | 208,185 | 2,382,258 | 1.7% | 1.71% |
| 1964 | 211,644 | 2,424,390 | 1.66% | 1.77% |
| 1965 | 214,967 | 2,468,666 | 1.57% | 1.83% |
| 1966 | 218,663 | 2,514,638 | 1.72% | 1.86% |
| 1967 | 223,859 | 2,562,384 | 2.38% | 1.9% |
| 1968 | 230,244 | 2,611,532 | 2.85% | 1.92% |
| 1969 | 237,001 | 2,661,365 | 2.93% | 1.91% |
| 1970 | 244,185 | 2,712,286 | 3.03% | 1.91% |
| 1971 | 251,865 | 2,763,222 | 3.15% | 1.88% |
| 1972 | 260,077 | 2,814,388 | 3.26% | 1.85% |
| 1973 | 268,820 | 2,866,955 | 3.36% | 1.87% |
| 1974 | 278,075 | 2,920,459 | 3.44% | 1.87% |
| 1975 | 287,692 | 2,974,657 | 3.46% | 1.86% |
| 1976 | 297,538 | 3,028,820 | 3.42% | 1.82% |
| 1977 | 307,579 | 3,085,354 | 3.37% | 1.87% |
| 1978 | 317,688 | 3,145,517 | 3.29% | 1.95% |
| 1979 | 327,791 | 3,207,499 | 3.18% | 1.97% |
| 1980 | 337,721 | 3,272,089 | 3.03% | 2.01% |
| 1981 | 347,382 | 3,338,940 | 2.86% | 2.04% |
| 1982 | 357,139 | 3,408,183 | 2.81% | 2.07% |
| 1983 | 367,233 | 3,481,646 | 2.83% | 2.16% |
| 1984 | 377,637 | 3,558,758 | 2.83% | 2.21% |
| 1985 | 388,352 | 3,638,438 | 2.84% | 2.24% |
| 1986 | 399,318 | 3,728,380 | 2.82% | 2.47% |
| 1987 | 410,439 | 3,829,718 | 2.78% | 2.72% |
| 1988 | 421,687 | 3,934,517 | 2.74% | 2.74% |
| 1989 | 433,103 | 4,034,037 | 2.71% | 2.53% |
| 1990 | 444,596 | 4,196,828 | 2.65% | 4.04% |
| 1991 | 455,556 | 4,246,267 | 2.47% | 1.18% |
| 1992 | 465,113 | 4,166,366 | 2.1% | -1.88% |
| 1993 | 473,682 | 4,157,130 | 1.84% | -0.22% |
| 1994 | 482,142 | 4,173,105 | 1.79% | 0.38% |
| 1995 | 490,586 | 4,179,179 | 1.75% | 0.15% |
| 1996 | 499,107 | 4,199,210 | 1.74% | 0.48% |
| 1997 | 507,777 | 4,253,716 | 1.74% | 1.3% |
| 1998 | 516,597 | 4,295,785 | 1.74% | 0.99% |
| 1999 | 525,886 | 4,318,043 | 1.8% | 0.52% |
| 2000 | 536,080 | 4,423,611 | 1.94% | 2.44% |
| 2001 | 547,220 | 4,692,716 | 2.08% | 6.08% |
| 2002 | 558,923 | 4,971,435 | 2.14% | 5.94% |
| 2003 | 569,798 | 5,177,687 | 1.95% | 4.15% |
| 2004 | 580,704 | 5,355,717 | 1.91% | 3.44% |
| 2005 | 592,677 | 5,501,712 | 2.06% | 2.73% |
| 2006 | 604,753 | 5,624,466 | 2.04% | 2.23% |
| 2007 | 616,927 | 5,749,352 | 2.01% | 2.22% |
| 2008 | 629,307 | 5,894,722 | 2.01% | 2.53% |
| 2009 | 641,947 | 6,055,646 | 2.01% | 2.73% |
| 2010 | 654,836 | 6,222,714 | 2.01% | 2.76% |
| 2011 | 668,056 | 6,387,251 | 2.02% | 2.64% |
| 2012 | 681,630 | 6,551,080 | 2.03% | 2.56% |
| 2013 | 696,192 | 6,714,051 | 2.14% | 2.49% |
| 2014 | 711,503 | 6,876,385 | 2.2% | 2.42% |
| 2015 | 726,682 | 7,037,655 | 2.13% | 2.35% |
| 2016 | 741,741 | 7,205,328 | 2.07% | 2.38% |
| 2017 | 756,669 | 7,379,299 | 2.01% | 2.41% |
| 2018 | 771,590 | 7,554,563 | 1.97% | 2.38% |
| 2019 | 786,578 | 7,731,991 | 1.94% | 2.35% |
| 2020 | 802,163 | 7,912,558 | 1.98% | 2.34% |
| 2021 | 818,174 | 8,094,602 | 2% | 2.3% |
| 2022 | 834,188 | 8,276,807 | 1.96% | 2.25% |
| 2023 | 850,387 | 8,460,512 | 1.94% | 2.22% |
| 2024 | 866,628 | 8,642,022 | 1.91% | 2.15% |
| 2025 | 882,845 | 8,819,789 | 1.87% | 2.06% |
| 2026 | 899,008 | 8,996,743 | 1.83% | 2.01% |
| 2027 | 915,176 | 9,174,695 | 1.8% | 1.98% |
| 2028 | 931,430 | 9,349,021 | 1.78% | 1.9% |
| 2029 | 947,803 | 9,520,811 | 1.76% | 1.84% |
| 2030 | 964,266 | 9,694,851 | 1.74% | 1.83% |
| 2031 | 980,769 | 9,870,295 | 1.71% | 1.81% |
| 2032 | 997,341 | 10,047,193 | 1.69% | 1.79% |
| 2033 | 1,014,064 | 10,221,006 | 1.68% | 1.73% |
| 2034 | 1,030,864 | 10,391,485 | 1.66% | 1.67% |
| 2035 | 1,047,760 | 10,563,163 | 1.64% | 1.65% |
| 2036 | 1,064,847 | 10,734,341 | 1.63% | 1.62% |
| 2037 | 1,081,999 | 10,902,263 | 1.61% | 1.56% |
| 2038 | 1,099,147 | 11,066,143 | 1.58% | 1.5% |
| 2039 | 1,116,418 | 11,230,060 | 1.57% | 1.48% |
| 2040 | 1,133,776 | 11,398,391 | 1.55% | 1.5% |
| 2041 | 1,151,146 | 11,566,213 | 1.53% | 1.47% |
| 2042 | 1,168,504 | 11,728,787 | 1.51% | 1.41% |
| 2043 | 1,185,954 | 11,887,934 | 1.49% | 1.36% |
| 2044 | 1,203,535 | 12,049,424 | 1.48% | 1.36% |
| 2045 | 1,221,066 | 12,208,872 | 1.46% | 1.32% |
| 2046 | 1,238,454 | 12,363,446 | 1.42% | 1.27% |
| 2047 | 1,255,711 | 12,512,739 | 1.39% | 1.21% |
| 2048 | 1,273,035 | 12,659,609 | 1.38% | 1.17% |
| 2049 | 1,290,365 | 12,805,136 | 1.36% | 1.15% |
| 2050 | 1,307,552 | 12,948,320 | 1.33% | 1.12% |
From 2005 to 2015, the population of Comoros increased by 134,005 people (a 22.6% growth), while Sierra Leone gained 1,535,943 people (a 27.9% growth).
For the next 10 years, from 2015 to 2025, Comoros gained 169,146 (a 23.3% growth), while Sierra Leone's population increased by 1,924,277 (a 27.3% growth).
Comoros was ranked 163rd most populous country in 2005 and is 160th in 2025. Sierra Leone was ranked 106th in 2005 and ranked 102nd now.
The UN's World Population Prospects forecasts that with changing growth rate trends in 25 years (in 2050) Comoros' population will grow by 46% to 1,307,552 people with a rank change from 160th to 157th. The population of Sierra Leone will increase by 44.5% to 12,948,320 people and rank change from 102nd to 91st.
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Population differences between Comoros and Sierra Leone
|
Comoros
|
Sierra Leone
|
|
|---|---|---|
| Life expectancy | 67.2 years | 62.2 years |
| Average age | 25.8 years | 24.4 years |
| Median age | 21.5 years | 20.5 years |
| Male:Female ratio | 50.3:49.7 | 49.9:50.1 |
| Fertility rate | 3.88 births per woman | 3.79 births per woman |
| Population density | 1,206 ppl/mi² | 310 ppl/mi² |
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Growth rate visualization in other countries
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