Skip to content

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

Updated on by Georank

The latest officially reported population of Mexico was 131,946,900 in 2025 vs 8,819,794 people in Sierra Leone in 2025. In 2026, based on the adjusted UN estimation, the current Mexico's population is 133,551,566 people compared to 9,090,531 in Sierra Leone.

Population statistics:

  • Mexico's population is 14.7 times bigger than Sierra Leone's.
  • Mexico is ranked the 11th most populous country in the world, while Sierra Leone is the 100th.
  • The countries together account for 1.72% of the world: 1.61% for Mexico vs 0.11% for Sierra Leone.
  • For the last 10 years, Mexico has had an average growth rate of +0.88% per year vs +2.29% in Sierra Leone.
  • Since 2006, the population of Mexico has increased from 107M people to 134M (24.5% growth), while Sierra Leone has grown from 5.62M to 9.09M (61.6% growth).

Mexico vs Sierra Leone: population by year and forecast

Mexico
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Population
Mexico Sierra Leone
2100 131,158,772 16,107,087
2099 131,919,278 16,121,940
2098 132,676,226 16,135,035
2097 133,430,730 16,149,905
2096 134,179,811 16,160,672
2095 134,924,667 16,169,304
2094 135,662,399 16,168,902
2093 136,390,414 16,173,609
2092 137,102,695 16,170,778
2091 137,808,909 16,163,901
2090 138,501,995 16,154,165
2089 139,183,536 16,142,526
2088 139,849,476 16,128,775
2087 140,504,916 16,112,585
2086 141,148,688 16,085,549
2085 141,779,696 16,064,212
2084 142,390,038 16,040,563
2083 142,983,168 16,006,923
2082 143,553,646 15,970,872
2081 144,112,618 15,930,880
2080 144,651,130 15,892,665
2079 145,168,756 15,850,728
2078 145,664,735 15,801,450
2077 146,138,472 15,750,408
2076 146,589,999 15,695,310
2075 147,020,176 15,635,345
2074 147,428,934 15,580,279
2073 147,814,398 15,512,655
2072 148,174,180 15,442,481
2071 148,507,034 15,370,747
2070 148,821,087 15,293,426
2069 149,107,578 15,212,664
2068 149,368,537 15,124,069
2067 149,603,163 15,028,190
2066 149,814,864 14,931,295
2065 150,001,973 14,833,794
2064 150,160,667 14,736,872
2063 150,292,498 14,638,180
2062 150,396,857 14,525,736
2061 150,474,868 14,420,068
2060 150,528,257 14,307,451
2059 150,549,825 14,194,972
2058 150,541,650 14,077,124
2057 150,507,950 13,957,197
2056 150,447,865 13,832,494
2055 150,356,976 13,702,508
2054 150,235,899 13,576,231
2053 150,083,305 13,440,929
2052 149,896,641 13,299,910
2051 149,677,830 13,152,910
2050 149,423,583 13,006,688
2049 149,138,900 12,863,637
2048 148,809,771 12,712,671
2047 148,451,951 12,566,944
2046 148,054,747 12,411,042
2045 147,620,456 12,254,651
2044 147,146,325 12,088,895
2043 146,641,077 11,928,393
2042 146,096,981 11,767,372
2041 145,517,171 11,599,942
2040 144,905,265 11,428,331
2039 144,260,027 11,259,845
2038 143,575,746 11,097,180
2037 142,857,009 10,928,754
2036 142,113,069 10,757,928
2035 141,334,167 10,582,918
2034 140,529,082 10,411,088
2033 139,687,630 10,238,503
2032 138,818,384 10,059,929
2031 137,922,237 9,881,109
2030 136,998,375 9,705,485
2029 136,046,964 9,529,493
2028 135,066,178 9,358,412
2027 134,056,943 9,177,288
2026 133,017,798 8,998,902
2025 131,946,900 8,819,794
2024 130,861,007 8,642,022
2023 129,739,759 8,460,512
2022 128,613,117 8,276,807
2021 127,648,148 8,094,602
2020 126,799,054 7,912,558
2019 125,762,982 7,731,991
2018 124,573,711 7,554,563
2017 123,400,057 7,379,299
2016 122,251,351 7,205,328
2015 121,072,306 7,037,655
2014 119,784,261 6,876,385
2013 118,343,573 6,714,051
2012 116,818,208 6,551,080
2011 115,243,504 6,387,251
2010 113,623,895 6,222,714
2009 111,999,721 6,055,646
2008 110,374,288 5,894,722
2007 108,774,360 5,749,352
2006 107,253,666 5,624,466
2005 105,811,504 5,501,712
2004 104,394,131 5,355,717
2003 102,978,515 5,177,687
2002 101,548,624 4,971,435
2001 100,099,099 4,692,716
2000 98,625,552 4,423,611
1999 97,115,707 4,318,043
1998 95,575,245 4,295,785
1997 94,021,207 4,253,716
1996 92,452,702 4,199,210
1995 90,862,455 4,179,179
1994 89,259,205 4,173,105
1993 87,653,807 4,157,130
1992 86,044,809 4,166,366
1991 84,430,572 4,246,267
1990 82,820,170 4,196,828
1989 81,247,182 4,034,037
1988 79,695,531 3,934,517
1987 78,136,651 3,829,718
1986 76,585,637 3,728,380
1985 75,043,414 3,638,438
1984 73,506,846 3,558,758
1983 71,971,240 3,481,646
1982 70,433,260 3,408,183
1981 68,892,108 3,338,940
1980 67,300,334 3,272,089
1979 65,648,865 3,207,499
1978 63,979,046 3,145,517
1977 62,308,493 3,085,354
1976 60,645,512 3,028,820
1975 58,982,400 2,974,657
1974 57,320,149 2,920,459
1973 55,667,284 2,866,955
1972 54,030,168 2,814,388
1971 52,412,558 2,763,222
1970 50,814,953 2,712,286
1969 49,233,194 2,661,365
1968 47,668,303 2,611,532
1967 46,129,608 2,562,384
1966 44,629,106 2,514,638
1965 43,174,477 2,468,666
1964 41,772,049 2,424,390
1963 40,424,065 2,382,258
1962 39,129,200 2,342,242
1961 37,890,118 2,304,227
1960 36,724,615 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/mexico/sierra-leone | CC BY

From 2006 to 2016, the population of Mexico increased by 14,997,685 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, Mexico gained 11,300,215 people (a 9.24% growth), while Sierra Leone's population increased by 1,885,203 people (a 26.2% growth).

Mexico was ranked 11th most populous country in 2006 and is still 11th 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) Mexico's population will grow by 11.9% to 149,423,583 people with a rank change from 11th to 12th. The population of Sierra Leone will increase by 43.1% to 13,006,688 people and rank change from 100th to 91st.

Mexico is projected to reach its peak in 2059 at 151M people compared to the peak of 16.2M people in 2093 for Sierra Leone.

Population growth rate by year

Mexico
Factual

Projection
Sierra Leone
Factual

Projection
1x
Year Growth rate
Mexico Sierra Leone
2100 -0.58% -0.09%
2099 -0.57% -0.08%
2098 -0.57% -0.09%
2097 -0.56% -0.07%
2096 -0.55% -0.05%
2095 -0.54% 0.002%
2094 -0.53% -0.03%
2093 -0.52% 0.02%
2092 -0.51% 0.04%
2091 -0.5% 0.06%
2090 -0.49% 0.07%
2089 -0.48% 0.09%
2088 -0.47% 0.1%
2087 -0.46% 0.17%
2086 -0.45% 0.13%
2085 -0.43% 0.15%
2084 -0.41% 0.21%
2083 -0.4% 0.23%
2082 -0.39% 0.25%
2081 -0.37% 0.24%
2080 -0.36% 0.26%
2079 -0.34% 0.31%
2078 -0.32% 0.32%
2077 -0.31% 0.35%
2076 -0.29% 0.38%
2075 -0.28% 0.35%
2074 -0.26% 0.44%
2073 -0.24% 0.45%
2072 -0.22% 0.47%
2071 -0.21% 0.51%
2070 -0.19% 0.53%
2069 -0.17% 0.59%
2068 -0.16% 0.64%
2067 -0.14% 0.65%
2066 -0.12% 0.66%
2065 -0.11% 0.66%
2064 -0.09% 0.67%
2063 -0.07% 0.77%
2062 -0.05% 0.73%
2061 -0.04% 0.79%
2060 -0.01% 0.79%
2059 0.005% 0.84%
2058 0.02% 0.86%
2057 0.04% 0.9%
2056 0.06% 0.95%
2055 0.08% 0.93%
2054 0.1% 1.01%
2053 0.12% 1.06%
2052 0.15% 1.12%
2051 0.17% 1.12%
2050 0.19% 1.11%
2049 0.22% 1.19%
2048 0.24% 1.16%
2047 0.27% 1.26%
2046 0.29% 1.28%
2045 0.32% 1.37%
2044 0.34% 1.35%
2043 0.37% 1.37%
2042 0.4% 1.44%
2041 0.42% 1.5%
2040 0.45% 1.5%
2039 0.48% 1.47%
2038 0.5% 1.54%
2037 0.52% 1.59%
2036 0.55% 1.65%
2035 0.57% 1.65%
2034 0.6% 1.69%
2033 0.63% 1.78%
2032 0.65% 1.81%
2031 0.67% 1.81%
2030 0.7% 1.85%
2029 0.73% 1.83%
2028 0.75% 1.97%
2027 0.78% 1.98%
2026 0.81% 2.03%
2025 0.83% 2.06%
2024 0.86% 2.15%
2023 0.88% 2.22%
2022 0.76% 2.25%
2021 0.67% 2.3%
2020 0.82% 2.34%
2019 0.95% 2.35%
2018 0.95% 2.38%
2017 0.94% 2.41%
2016 0.97% 2.38%
2015 1.08% 2.35%
2014 1.22% 2.42%
2013 1.31% 2.49%
2012 1.37% 2.56%
2011 1.43% 2.64%
2010 1.45% 2.76%
2009 1.47% 2.73%
2008 1.47% 2.53%
2007 1.42% 2.22%
2006 1.36% 2.23%
2005 1.36% 2.73%
2004 1.37% 3.44%
2003 1.41% 4.15%
2002 1.45% 5.94%
2001 1.49% 6.08%
2000 1.55% 2.44%
1999 1.61% 0.52%
1998 1.65% 0.99%
1997 1.7% 1.3%
1996 1.75% 0.48%
1995 1.8% 0.15%
1994 1.83% 0.38%
1993 1.87% -0.22%
1992 1.91% -1.88%
1991 1.94% 1.18%
1990 1.94% 4.04%
1989 1.95% 2.53%
1988 2% 2.74%
1987 2.03% 2.72%
1986 2.06% 2.47%
1985 2.09% 2.24%
1984 2.13% 2.21%
1983 2.18% 2.16%
1982 2.24% 2.07%
1981 2.37% 2.04%
1980 2.52% 2.01%
1979 2.61% 1.97%
1978 2.68% 1.95%
1977 2.74% 1.87%
1976 2.82% 1.82%
1975 2.9% 1.86%
1974 2.97% 1.87%
1973 3.03% 1.87%
1972 3.09% 1.85%
1971 3.14% 1.88%
1970 3.21% 1.91%
1969 3.28% 1.91%
1968 3.34% 1.92%
1967 3.36% 1.9%
1966 3.37% 1.86%
1965 3.36% 1.83%
1964 3.33% 1.77%
1963 3.31% 1.71%
1962 3.27% 1.65%
1961 3.17% 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/mexico/sierra-leone | CC BY

In 2025, the population of Mexico grew by 0.83%, while Sierra Leone's population grew by 2.06%.

Live population counters

Mexico Sierra Leone
Current population
133551566
9090531
Population rank 11/197 100/197
Percent of world population 1.61% 0.11%
One net population change
29.1 seconds
2.96 minutes
One birth every
15.6 seconds
2.02 minutes
One death every
38.8 seconds
7.41 minutes
Daily growth/decline +2,975 +487
Annual growth/decline +1,085,893 +177,772
Annual growth/decline rate +0.83% +2.06%
Population growth rate rank 109/197 47/197
One migration net change every
4.88 minutes
46.6 minutes
Annual migration change -108,037 -11,309
Net migration rank 181/196 136/196
Foreign-born residents 1,726,089 49,997
Foreign-born residents rank 42/195 151/195
Foreign-born share of population 1.3% 0.6%
Foreign-born share rank 149/195 174/195

Natural population change vs migration

Mexico
Natural

Migration
Sierra Leone
Natural

Migration
1x
Year Population change
Mexico Sierra Leone
Natural Migration Natural Migration
2025 - -108,037 - -11,309
2024 1,209,810 -104,581 189,234 -11,000
2023 1,238,366 -101,044 188,788 -4,000
2022 1,224,397 -108,438 186,625 -4,000
2021 936,682 -122,791 183,326 -1,544
2020 1,031,637 -147,456 181,015 1,292
2019 1,357,485 -169,628 181,068 -2,238
2018 1,366,076 -175,356 178,772 -2,741
2017 1,384,178 -227,499 173,259 1,234
2016 1,445,256 -304,472 168,784 4,657
2015 1,508,439 -291,044 162,275 -356
2014 1,587,620 -228,816 160,137 485
2013 1,642,609 -120,058 161,265 2,773
2012 1,656,599 -128,485 160,915 988
2011 1,659,161 -37,826 158,858 6,895
2010 1,658,682 -40,845 155,338 7,983
2009 1,661,180 -30,809 152,669 18,145
2008 1,670,846 -50,347 149,855 1,182
2007 1,684,915 -105,524 145,740 -6,042
2006 1,706,084 -244,140 144,127 -34,052
2005 1,732,663 -310,278 137,234 -1,805
2004 1,759,250 -346,912 132,661 23,897
2003 1,788,016 -369,183 130,312 69,185
2002 1,820,665 -379,812 126,429 86,578
2001 1,836,418 -378,348 116,647 227,791
2000 1,845,383 -356,433 110,754 83,013
1999 1,859,475 -328,773 102,295 -84,926
1998 1,871,650 -321,385 103,906 -76,766
1997 1,898,383 -340,546 105,433 -48,437
1996 1,922,554 -343,399 104,140 -52,110
1995 1,941,458 -340,091 100,885 -112,857
1994 1,959,775 -354,573 101,486 -77,371
1993 1,963,708 -358,039 103,317 -95,476
1992 1,956,659 -344,313 103,251 -129,565
1991 1,942,832 -326,691 105,477 -238,965
1990 1,926,480 -321,764 100,778 131,587
1989 1,927,752 -386,467 98,298 -5,079
1988 1,936,601 -374,544 96,344 9,470
1987 1,971,231 -415,521 94,235 9,558
1986 1,998,043 -451,756 90,902 7,992
1985 1,983,622 -445,447 88,869 -7,873
1984 1,960,428 -425,467 87,072 -8,708
1983 1,939,193 -402,937 84,628 -8,783
1982 1,921,772 -382,048 82,457 -11,379
1981 1,904,384 -361,791 80,111 -12,699
1980 1,893,158 -252,177 77,932 -11,641
1979 1,908,018 -246,034 75,992 -13,095
1978 1,921,419 -243,714 74,130 -13,073
1977 1,902,964 -239,521 71,663 -12,399
1976 1,891,958 -229,450 69,506 -15,686
1975 1,880,241 -216,556 67,560 -13,058
1974 1,868,809 -207,995 65,357 -11,473
1973 1,845,593 -200,688 62,443 -9,322
1972 1,823,302 -193,965 60,279 -8,267
1971 1,790,990 -185,062 58,484 -8,162
1970 1,753,370 -164,100 56,513 -4,957
1969 1,711,297 -137,051 54,768 -4,485
1968 1,671,918 -116,358 53,126 -3,743
1967 1,620,534 -98,680 51,734 -2,819
1966 1,566,170 -87,018 49,486 -2,911
1965 1,508,344 -78,288 47,223 -1,851
1964 1,447,360 -72,581 45,487 -2,308
1963 1,387,678 -66,515 43,569 -2,480
1962 1,328,319 -59,833 41,603 -2,658
1961 1,265,833 -56,174 40,022 -2,947
1960 1,206,955 -85,591 38,192 -3,528

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

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

Over the last 10 years, 87.9% of the population change in Mexico is from natural causes (a gain of 12,702,326 people) and 12.1% is from migration (a loss of 1,752,309 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, 1,726,089 residents or 1.3% of the population were not native-born in Mexico, compared to 49,997 people or 0.6% in Sierra Leone.

Biggest cities by population

Mexico
City Population
Mexico 9.21M
Veracruz 8.06M
San Luis Potosi 2.82M
Tijuana 1.96M
Leon 1.58M
Puebla 1.43M
Guadalajara 1.39M
Ciudad Juarez 1.32M
Zapopan 1.26M
Monterrey 1.14M
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/mexico/sierra-leone | CC BY

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 (1960–2025, 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)

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.