| Source | UN (World Population Prospects 2019) |
| Date | 23 Aug 2021 |
The current population of Guyana is 797,443 as of May 31, 2023, based on interpolation of the latest United Nations data. The population of Guyana is projected at 790,326 or 790.33 thousands as of July 1, 2021. The total population in Guyana is projected at 786,552 or 786.55 thousands people for the year 2020. Guyana ranks number 164th in the world by population in the list of 235 countries/territories. Guyana is ranked 11th among 14 countries in South America.
Guyana's population peak will be 2040 with 835.0 thousands people after Guyana's population will be decreased year by year. The Guyana population is projected to reach 821.6 thousands in 2030 and increase further to 824.9 thousands in 2050, and it will decrease by 530.6 thousands by 2100. Guyana accounts for 0.010 percent of the world population. However, its global share will decline by 0.009% in 2033 and is projected to decline at 0.005% by 2100.
Guyana was at 153rd position globally in 1950, and its rank is projected to increase at 176th in 2100.
| Year | Population | Growth | Share (%) | |
|---|---|---|---|---|
| Net Change | rate (%) | to World | ||
| 2020 | 786,552 | 3,786 | 0.48 | 0.010 |
| 2021 | 790,326 | 3,774 | 0.48 | 0.010 |
| 2022 | 794,045 | 3,719 | 0.47 | 0.010 |
| 2023 | 797,704 | 3,659 | 0.46 | 0.010 |
| 2024 | 801,346 | 3,642 | 0.46 | 0.010 |
| 2025 | 804,956 | 3,610 | 0.45 | 0.010 |
| 2026 | 808,536 | 3,580 | 0.44 | 0.010 |
| 2027 | 812,066 | 3,530 | 0.44 | 0.010 |
| 2028 | 815,459 | 3,393 | 0.42 | 0.010 |
| 2029 | 818,659 | 3,200 | 0.39 | 0.010 |
| 2030 | 821,590 | 2,931 | 0.36 | 0.010 |
| 2031 | 824,218 | 2,628 | 0.32 | 0.010 |
| 2032 | 826,555 | 2,337 | 0.28 | 0.010 |
| 2033 | 828,606 | 2,051 | 0.25 | 0.009 |
| 2034 | 830,375 | 1,769 | 0.21 | 0.009 |
| 2035 | 831,873 | 1,498 | 0.18 | 0.009 |
| 2036 | 833,101 | 1,228 | 0.15 | 0.009 |
| 2037 | 834,044 | 943 | 0.11 | 0.009 |
| 2038 | 834,721 | 677 | 0.08 | 0.009 |
| 2039 | 835,148 | 427 | 0.05 | 0.009 |
| 2040 | 835,326 | 178 | 0.02 | 0.009 |
| 2041 | 835,281 | -45 | -0.01 | 0.009 |
| 2042 | 835,000 | -281 | -0.03 | 0.009 |
| 2043 | 834,493 | -507 | -0.06 | 0.009 |
| 2044 | 833,762 | -731 | -0.09 | 0.009 |
| 2045 | 832,815 | -947 | -0.11 | 0.009 |
| 2046 | 831,649 | -1,166 | -0.14 | 0.009 |
| 2047 | 830,281 | -1,368 | -0.16 | 0.009 |
| 2048 | 828,694 | -1,587 | -0.19 | 0.009 |
| 2049 | 826,924 | -1,770 | -0.21 | 0.009 |
| 2050 | 824,957 | -1,967 | -0.24 | 0.008 |
| 2051 | 822,800 | -2,157 | -0.26 | 0.008 |
| 2052 | 820,470 | -2,330 | -0.28 | 0.008 |
| 2053 | 817,948 | -2,522 | -0.31 | 0.008 |
| 2054 | 815,233 | -2,715 | -0.33 | 0.008 |
| 2055 | 812,327 | -2,906 | -0.36 | 0.008 |
| 2056 | 809,234 | -3,093 | -0.38 | 0.008 |
| 2057 | 805,950 | -3,284 | -0.41 | 0.008 |
| 2058 | 802,500 | -3,450 | -0.43 | 0.008 |
| 2059 | 798,880 | -3,620 | -0.45 | 0.008 |
| 2060 | 795,097 | -3,783 | -0.47 | 0.008 |
| 2061 | 791,157 | -3,940 | -0.50 | 0.008 |
| 2062 | 787,064 | -4,093 | -0.52 | 0.008 |
| 2063 | 782,815 | -4,249 | -0.54 | 0.008 |
| 2064 | 778,414 | -4,401 | -0.56 | 0.008 |
| 2065 | 773,861 | -4,553 | -0.58 | 0.008 |
| 2066 | 769,161 | -4,700 | -0.61 | 0.007 |
| 2067 | 764,311 | -4,850 | -0.63 | 0.007 |
| 2068 | 759,308 | -5,003 | -0.65 | 0.007 |
| 2069 | 754,165 | -5,143 | -0.68 | 0.007 |
| 2070 | 748,865 | -5,300 | -0.70 | 0.007 |
| 2071 | 743,419 | -5,446 | -0.73 | 0.007 |
| 2072 | 737,829 | -5,590 | -0.75 | 0.007 |
| 2073 | 732,088 | -5,741 | -0.78 | 0.007 |
| 2074 | 726,197 | -5,891 | -0.80 | 0.007 |
| 2075 | 720,157 | -6,040 | -0.83 | 0.007 |
| 2076 | 713,982 | -6,175 | -0.86 | 0.007 |
| 2077 | 707,667 | -6,315 | -0.88 | 0.007 |
| 2078 | 701,208 | -6,459 | -0.91 | 0.007 |
| 2079 | 694,601 | -6,607 | -0.94 | 0.007 |
| 2080 | 687,849 | -6,752 | -0.97 | 0.006 |
| 2081 | 680,946 | -6,903 | -1.00 | 0.006 |
| 2082 | 673,909 | -7,037 | -1.03 | 0.006 |
| 2083 | 666,742 | -7,167 | -1.06 | 0.006 |
| 2084 | 659,437 | -7,305 | -1.10 | 0.006 |
| 2085 | 652,023 | -7,414 | -1.12 | 0.006 |
| 2086 | 644,491 | -7,532 | -1.16 | 0.006 |
| 2087 | 636,841 | -7,650 | -1.19 | 0.006 |
| 2088 | 629,091 | -7,750 | -1.22 | 0.006 |
| 2089 | 621,252 | -7,839 | -1.25 | 0.006 |
| 2090 | 613,315 | -7,937 | -1.28 | 0.006 |
| 2091 | 605,300 | -8,015 | -1.31 | 0.006 |
| 2092 | 597,212 | -8,088 | -1.34 | 0.006 |
| 2093 | 589,054 | -8,158 | -1.37 | 0.005 |
| 2094 | 580,833 | -8,221 | -1.40 | 0.005 |
| 2095 | 572,558 | -8,275 | -1.42 | 0.005 |
| 2096 | 564,229 | -8,329 | -1.45 | 0.005 |
| 2097 | 555,862 | -8,367 | -1.48 | 0.005 |
| 2098 | 547,460 | -8,402 | -1.51 | 0.005 |
| 2099 | 539,038 | -8,422 | -1.54 | 0.005 |
| 2100 | 530,598 | -8,440 | -1.57 | 0.005 |
| Year | Population | Growth | Share (%) | |
|---|---|---|---|---|
| Net Change | rate (%) | to World | ||
| 1950 | 406,559 | - | - | 0.016 |
| 1951 | 418,674 | 12,115 | 2.98 | 0.016 |
| 1952 | 432,818 | 14,144 | 3.38 | 0.016 |
| 1953 | 448,464 | 15,646 | 3.61 | 0.017 |
| 1954 | 465,172 | 16,708 | 3.73 | 0.017 |
| 1955 | 482,555 | 17,383 | 3.74 | 0.017 |
| 1956 | 500,324 | 17,769 | 3.68 | 0.018 |
| 1957 | 518,259 | 17,935 | 3.58 | 0.018 |
| 1958 | 536,218 | 17,959 | 3.47 | 0.018 |
| 1959 | 554,092 | 17,874 | 3.33 | 0.019 |
| 1960 | 571,819 | 17,727 | 3.20 | 0.019 |
| 1961 | 589,274 | 17,455 | 3.05 | 0.019 |
| 1962 | 606,285 | 17,011 | 2.89 | 0.019 |
| 1963 | 622,575 | 16,290 | 2.69 | 0.019 |
| 1964 | 637,845 | 15,270 | 2.45 | 0.019 |
| 1965 | 651,868 | 14,023 | 2.20 | 0.020 |
| 1966 | 664,521 | 12,653 | 1.94 | 0.019 |
| 1967 | 675,871 | 11,350 | 1.71 | 0.019 |
| 1968 | 686,146 | 10,275 | 1.52 | 0.019 |
| 1969 | 695,745 | 9,599 | 1.40 | 0.019 |
| 1970 | 704,934 | 9,189 | 1.32 | 0.019 |
| 1971 | 713,684 | 8,750 | 1.24 | 0.019 |
| 1972 | 721,948 | 8,264 | 1.16 | 0.019 |
| 1973 | 729,916 | 7,968 | 1.10 | 0.019 |
| 1974 | 737,847 | 7,931 | 1.09 | 0.018 |
| 1975 | 745,841 | 7,994 | 1.08 | 0.018 |
| 1976 | 754,101 | 8,260 | 1.11 | 0.018 |
| 1977 | 762,424 | 8,323 | 1.10 | 0.018 |
| 1978 | 770,125 | 7,701 | 1.01 | 0.018 |
| 1979 | 776,254 | 6,129 | 0.80 | 0.018 |
| 1980 | 780,153 | 3,899 | 0.50 | 0.018 |
| 1981 | 781,732 | 1,579 | 0.20 | 0.017 |
| 1982 | 781,246 | -486 | -0.06 | 0.017 |
| 1983 | 778,948 | -2,298 | -0.29 | 0.017 |
| 1984 | 775,219 | -3,729 | -0.48 | 0.016 |
| 1985 | 770,435 | -4,784 | -0.62 | 0.016 |
| 1986 | 764,446 | -5,989 | -0.78 | 0.015 |
| 1987 | 757,448 | -6,998 | -0.92 | 0.015 |
| 1988 | 750,639 | -6,809 | -0.90 | 0.015 |
| 1989 | 745,585 | -5,054 | -0.67 | 0.014 |
| 1990 | 743,309 | -2,276 | -0.31 | 0.014 |
| 1991 | 744,474 | 1,165 | 0.16 | 0.014 |
| 1992 | 748,602 | 4,128 | 0.55 | 0.014 |
| 1993 | 754,144 | 5,542 | 0.74 | 0.014 |
| 1994 | 758,896 | 4,752 | 0.63 | 0.013 |
| 1995 | 761,291 | 2,395 | 0.32 | 0.013 |
| 1996 | 760,795 | -496 | -0.07 | 0.013 |
| 1997 | 757,970 | -2,825 | -0.37 | 0.013 |
| 1998 | 753,778 | -4,192 | -0.55 | 0.013 |
| 1999 | 749,674 | -4,104 | -0.54 | 0.012 |
| 2000 | 746,715 | -2,959 | -0.39 | 0.012 |
| 2001 | 745,206 | -1,509 | -0.20 | 0.012 |
| 2002 | 744,789 | -417 | -0.06 | 0.012 |
| 2003 | 745,143 | 354 | 0.05 | 0.012 |
| 2004 | 745,737 | 594 | 0.08 | 0.012 |
| 2005 | 746,163 | 426 | 0.06 | 0.011 |
| 2006 | 746,343 | 180 | 0.02 | 0.011 |
| 2007 | 746,474 | 131 | 0.02 | 0.011 |
| 2008 | 746,817 | 343 | 0.05 | 0.011 |
| 2009 | 747,718 | 901 | 0.12 | 0.011 |
| 2010 | 749,436 | 1,718 | 0.23 | 0.011 |
| 2011 | 752,028 | 2,592 | 0.35 | 0.011 |
| 2012 | 755,399 | 3,371 | 0.45 | 0.011 |
| 2013 | 759,285 | 3,886 | 0.51 | 0.011 |
| 2014 | 763,380 | 4,095 | 0.54 | 0.010 |
| 2015 | 767,432 | 4,052 | 0.53 | 0.010 |
| 2016 | 771,368 | 3,936 | 0.51 | 0.010 |
| 2017 | 775,222 | 3,854 | 0.50 | 0.010 |
| 2018 | 779,006 | 3,784 | 0.49 | 0.010 |
| 2019 | 782,766 | 3,760 | 0.48 | 0.010 |