The latest officially reported population of Montenegro was 623,831 in 2024 vs 8,642,022 people in Sierra Leone in 2024. In 2025, based on the adjusted UN estimation, the current Montenegro's population is 618,209 people compared to 8,961,932 in Sierra Leone.
Population statistics:
- Sierra Leone's population is 14.5 times bigger than Montenegro's.
- Montenegro is ranked the 166th most populous country in the world, while Sierra Leone is the 102nd.
- The countries together account for 0.12% of the world: 0.007% for Montenegro vs 0.11% for Sierra Leone.
- For the last 10 years, Montenegro has had an average growth rate of +0.02% per year vs +2.32% in Sierra Leone.
- Since 2005, the population of Montenegro has increased from 614K people to 618K (0.64% growth), while Sierra Leone has grown from 5.5M to 8.96M (62.9% growth).
- Sierra Leone is projected to reach its peak in 2092 at 16M people, while Montenegro's population already peaked in 2019 at 627K people and is projected to decrease to 319K people by 2100.
Montenegro vs Sierra Leone: live population counter
|
|
|
|
|---|---|---|
| Current population |
618209
|
8961932
|
| Population rank | 166/197 | 102/197 |
| Percent of world population | 0.007% | 0.11% |
| One net population change |
1.21 days
|
2.9 minutes
|
| One birth every |
1.25 hours
|
2.03 minutes
|
| One death every |
1.39 hours
|
7.5 minutes
|
| One migration net change every |
5.2 hours
|
47.8 minutes
|
| Annual migration change | -1,686 | -11,000 |
| Daily growth/decline | +1 | +497 |
| Annual growth/decline | +302 | +181,510 |
| Annual growth/decline rate | +0.05% | +2.15% |
| Population growth rate rank | 163/197 | 49/197 |
Montenegro and Sierra Leone: population history and growth rate by year chart
| Year | Population | Growth rate | ||
|---|---|---|---|---|
|
|
|
|
|
|
| 1960 | 480,579 | 2,268,356 | - | - |
| 1961 | 491,140 | 2,304,227 | 2.2% | 1.58% |
| 1962 | 502,558 | 2,342,242 | 2.32% | 1.65% |
| 1963 | 513,409 | 2,382,258 | 2.16% | 1.71% |
| 1964 | 521,753 | 2,424,390 | 1.63% | 1.77% |
| 1965 | 526,327 | 2,468,666 | 0.88% | 1.83% |
| 1966 | 526,419 | 2,514,638 | 0.02% | 1.86% |
| 1967 | 522,796 | 2,562,384 | -0.69% | 1.9% |
| 1968 | 517,481 | 2,611,532 | -1.02% | 1.92% |
| 1969 | 513,340 | 2,661,365 | -0.8% | 1.91% |
| 1970 | 512,407 | 2,712,286 | -0.18% | 1.91% |
| 1971 | 515,449 | 2,763,222 | 0.59% | 1.88% |
| 1972 | 521,785 | 2,814,388 | 1.23% | 1.85% |
| 1973 | 530,220 | 2,866,955 | 1.62% | 1.87% |
| 1974 | 538,902 | 2,920,459 | 1.64% | 1.87% |
| 1975 | 546,487 | 2,974,657 | 1.41% | 1.86% |
| 1976 | 552,562 | 3,028,820 | 1.11% | 1.82% |
| 1977 | 557,576 | 3,085,354 | 0.91% | 1.87% |
| 1978 | 562,065 | 3,145,517 | 0.81% | 1.95% |
| 1979 | 566,888 | 3,207,499 | 0.86% | 1.97% |
| 1980 | 572,608 | 3,272,089 | 1.01% | 2.01% |
| 1981 | 579,445 | 3,338,940 | 1.19% | 2.04% |
| 1982 | 587,001 | 3,408,183 | 1.3% | 2.07% |
| 1983 | 594,506 | 3,481,646 | 1.28% | 2.16% |
| 1984 | 600,884 | 3,558,758 | 1.07% | 2.21% |
| 1985 | 605,398 | 3,638,438 | 0.75% | 2.24% |
| 1986 | 607,711 | 3,728,380 | 0.38% | 2.47% |
| 1987 | 608,144 | 3,829,718 | 0.07% | 2.72% |
| 1988 | 607,413 | 3,934,517 | -0.12% | 2.74% |
| 1989 | 606,571 | 4,034,037 | -0.14% | 2.53% |
| 1990 | 606,372 | 4,196,828 | -0.03% | 4.04% |
| 1991 | 607,105 | 4,246,267 | 0.12% | 1.18% |
| 1992 | 608,516 | 4,166,366 | 0.23% | -1.88% |
| 1993 | 610,170 | 4,157,130 | 0.27% | -0.22% |
| 1994 | 611,389 | 4,173,105 | 0.2% | 0.38% |
| 1995 | 611,712 | 4,179,179 | 0.05% | 0.15% |
| 1996 | 611,003 | 4,199,210 | -0.12% | 0.48% |
| 1997 | 609,520 | 4,253,716 | -0.24% | 1.3% |
| 1998 | 607,662 | 4,295,785 | -0.3% | 0.99% |
| 1999 | 606,001 | 4,318,043 | -0.27% | 0.52% |
| 2000 | 604,950 | 4,423,611 | -0.17% | 2.44% |
| 2001 | 607,389 | 4,692,716 | 0.4% | 6.08% |
| 2002 | 609,828 | 4,971,435 | 0.4% | 5.94% |
| 2003 | 612,267 | 5,177,687 | 0.4% | 4.15% |
| 2004 | 613,353 | 5,355,717 | 0.18% | 3.44% |
| 2005 | 614,261 | 5,501,712 | 0.15% | 2.73% |
| 2006 | 615,025 | 5,624,466 | 0.12% | 2.23% |
| 2007 | 615,875 | 5,749,352 | 0.14% | 2.22% |
| 2008 | 616,969 | 5,894,722 | 0.18% | 2.53% |
| 2009 | 618,294 | 6,055,646 | 0.21% | 2.73% |
| 2010 | 619,428 | 6,222,714 | 0.18% | 2.76% |
| 2011 | 620,345 | 6,387,251 | 0.15% | 2.64% |
| 2012 | 621,418 | 6,551,080 | 0.17% | 2.56% |
| 2013 | 622,587 | 6,714,051 | 0.19% | 2.49% |
| 2014 | 623,744 | 6,876,385 | 0.19% | 2.42% |
| 2015 | 624,651 | 7,037,655 | 0.15% | 2.35% |
| 2016 | 625,353 | 7,205,328 | 0.11% | 2.38% |
| 2017 | 625,982 | 7,379,299 | 0.1% | 2.41% |
| 2018 | 626,438 | 7,554,563 | 0.07% | 2.38% |
| 2019 | 626,753 | 7,731,991 | 0.05% | 2.35% |
| 2020 | 626,590 | 7,912,558 | -0.03% | 2.34% |
| 2021 | 625,053 | 8,094,602 | -0.25% | 2.3% |
| 2022 | 623,591 | 8,276,807 | -0.23% | 2.25% |
| 2023 | 623,529 | 8,460,512 | -0.01% | 2.22% |
| 2024 | 623,831 | 8,642,022 | 0.05% | 2.15% |
| 2025 | 618,209 | 8,819,789 | -0.9% | 2.06% |
| 2026 | 611,868 | 8,996,743 | -1.03% | 2.01% |
| 2027 | 608,570 | 9,174,695 | -0.54% | 1.98% |
| 2028 | 605,281 | 9,349,021 | -0.54% | 1.9% |
| 2029 | 601,917 | 9,520,811 | -0.56% | 1.84% |
| 2030 | 598,501 | 9,694,851 | -0.57% | 1.83% |
| 2031 | 595,047 | 9,870,295 | -0.58% | 1.81% |
| 2032 | 591,507 | 10,047,193 | -0.59% | 1.79% |
| 2033 | 587,900 | 10,221,006 | -0.61% | 1.73% |
| 2034 | 584,230 | 10,391,485 | -0.62% | 1.67% |
| 2035 | 580,502 | 10,563,163 | -0.64% | 1.65% |
| 2036 | 576,713 | 10,734,341 | -0.65% | 1.62% |
| 2037 | 572,889 | 10,902,263 | -0.66% | 1.56% |
| 2038 | 569,027 | 11,066,143 | -0.67% | 1.5% |
| 2039 | 565,147 | 11,230,060 | -0.68% | 1.48% |
| 2040 | 561,254 | 11,398,391 | -0.69% | 1.5% |
| 2041 | 557,345 | 11,566,213 | -0.7% | 1.47% |
| 2042 | 553,430 | 11,728,787 | -0.7% | 1.41% |
| 2043 | 549,485 | 11,887,934 | -0.71% | 1.36% |
| 2044 | 545,508 | 12,049,424 | -0.72% | 1.36% |
| 2045 | 541,510 | 12,208,872 | -0.73% | 1.32% |
| 2046 | 537,487 | 12,363,446 | -0.74% | 1.27% |
| 2047 | 533,411 | 12,512,739 | -0.76% | 1.21% |
| 2048 | 529,311 | 12,659,609 | -0.77% | 1.17% |
| 2049 | 525,208 | 12,805,136 | -0.78% | 1.15% |
| 2050 | 521,056 | 12,948,320 | -0.79% | 1.12% |
From 2005 to 2015, the population of Montenegro increased by 10,390 people (a 1.69% growth), while Sierra Leone gained 1,535,943 people (a 27.9% growth).
For the next 10 years, from 2015 to 2025, Montenegro lost -6,442 (a 1.03% decline), while Sierra Leone's population increased by 1,924,277 (a 27.3% growth).
Montenegro was ranked 162nd most populous country in 2005 and is 166th 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) Montenegro's population will shrink by 15.7% to 521,056 people with a rank change from 166th to 170th. 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 Montenegro and Sierra Leone
|
|
|
|
|---|---|---|
| Life expectancy | 77.4 years | 62.2 years |
| Average age | 40.3 years | 24.4 years |
| Median age | 40.6 years | 20.5 years |
| Male:Female ratio | 48.1:51.9 | 49.9:50.1 |
| Fertility rate | 1.74 births per woman | 3.79 births per woman |
| Population density | 120.1 ppl/mi² | 310 ppl/mi² |
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