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Population in Bulgaria compared to the United States: Trends, Charts, Rankings

Updated on by Georank team

The latest officially reported population of Bulgaria was 6,444,366 in 2024 vs 340,110,988 people in the United States in 2024. In 2025, based on the adjusted UN estimation, the current Bulgaria's population is 6,403,235 people compared to 343,323,530 in the United States.

Population statistics:

  • The United States' population is 53.6 times bigger than Bulgaria's.
  • Bulgaria is ranked the 111th most populous country in the world, while the United States is the 3rd.
  • The countries together account for 4.23% of the world: 0.08% for Bulgaria vs 4.15% for the United States.
  • For the last 10 years, Bulgaria has had an average growth rate of -0.95% per year vs +0.67% in the United States.
  • Since 2005, the population of Bulgaria has decreased from 7.66M people to 6.4M (16.4% decline), while the United States has grown from 296M to 343M (16.2% growth).
  • The United States is projected to reach its peak in 2100 at 415M people, while Bulgaria's population already peaked in 1988 at 8.98M people and is projected to decrease to 3.37M people by 2100.

Bulgaria vs United States: live population counter

Bulgaria United States
Current population
6403235
343323530
Population rank 111/197 3/197
Percent of world population 0.08% 4.15%
One net population change
3.93 hours
6.07 seconds
One birth every
9.16 minutes
8.8 seconds
One death every
5.19 minutes
10.2 seconds
One migration net change every
16.7 hours
24.5 seconds
Annual migration change +524 +1,286,132
Daily growth/decline -6 +14,236
Annual growth/decline -2,230 +5,196,093
Annual growth/decline rate -0.03% +1.55%
Population growth rate rank 168/197 72/197

Bulgaria and the United States: population history and growth rate by year chart

Bulgaria
Population

Growth rate
United States
Population

Growth rate
Year Population Growth rate
Bulgaria United States Bulgaria United States
1900 - 76,094,000 - -
1901 - 77,584,000 - 1.96%
1902 - 79,163,000 - 2.04%
1903 - 80,632,000 - 1.86%
1904 - 82,166,000 - 1.9%
1905 - 83,822,000 - 2.02%
1906 - 85,450,000 - 1.94%
1907 - 87,008,000 - 1.82%
1908 - 88,710,000 - 1.96%
1909 - 90,490,000 - 2.01%
1910 - 92,407,000 - 2.12%
1911 - 93,863,000 - 1.58%
1912 - 95,335,000 - 1.57%
1913 - 97,225,000 - 1.98%
1914 - 99,111,000 - 1.94%
1915 - 100,546,000 - 1.45%
1916 - 101,961,000 - 1.41%
1917 - 103,268,000 - 1.28%
1918 - 103,208,000 - -0.06%
1919 - 104,514,000 - 1.27%
1920 - 106,461,000 - 1.86%
1921 - 108,538,000 - 1.95%
1922 - 110,049,000 - 1.39%
1923 - 111,947,000 - 1.72%
1924 - 114,109,000 - 1.93%
1925 - 115,829,000 - 1.51%
1926 - 117,397,000 - 1.35%
1927 - 119,035,000 - 1.4%
1928 - 120,509,000 - 1.24%
1929 - 121,767,000 - 1.04%
1930 - 123,076,741 - 1.08%
1931 - 124,039,648 - 0.78%
1932 - 124,840,471 - 0.65%
1933 - 125,578,763 - 0.59%
1934 - 126,373,773 - 0.63%
1935 - 127,250,232 - 0.69%
1936 - 128,053,180 - 0.63%
1937 - 128,824,829 - 0.6%
1938 - 129,824,939 - 0.78%
1939 - 130,879,718 - 0.81%
1940 - 132,122,446 - 0.95%
1941 - 133,402,471 - 0.97%
1942 - 134,859,553 - 1.09%
1943 - 136,739,353 - 1.39%
1944 - 138,397,345 - 1.21%
1945 - 139,928,165 - 1.11%
1946 - 141,388,566 - 1.04%
1947 - 144,126,071 - 1.94%
1948 - 146,631,302 - 1.74%
1949 - 149,188,130 - 1.74%
1950 - 152,271,417 - 2.07%
1951 - 154,877,889 - 1.71%
1952 - 157,552,740 - 1.73%
1953 - 160,184,192 - 1.67%
1954 - 163,025,854 - 1.77%
1955 - 165,931,202 - 1.78%
1956 - 168,903,031 - 1.79%
1957 - 171,984,130 - 1.82%
1958 - 174,881,904 - 1.68%
1959 - 177,829,628 - 1.69%
1960 7,867,374 180,671,158 - 1.6%
1961 7,943,118 183,691,481 0.96% 1.67%
1962 8,012,946 186,537,737 0.88% 1.55%
1963 8,078,145 189,241,798 0.81% 1.45%
1964 8,144,340 191,888,791 0.82% 1.4%
1965 8,204,168 194,302,963 0.73% 1.26%
1966 8,258,057 196,560,338 0.66% 1.16%
1967 8,310,226 198,712,056 0.63% 1.09%
1968 8,369,603 200,706,052 0.71% 1%
1969 8,434,172 202,676,946 0.77% 0.98%
1970 8,489,574 205,052,174 0.66% 1.17%
1971 8,536,395 207,660,677 0.55% 1.27%
1972 8,576,200 209,896,021 0.47% 1.08%
1973 8,620,967 211,908,788 0.52% 0.96%
1974 8,678,745 213,853,928 0.67% 0.92%
1975 8,720,742 215,973,199 0.48% 0.99%
1976 8,758,599 218,035,164 0.43% 0.95%
1977 8,804,183 220,239,425 0.52% 1.01%
1978 8,814,032 222,584,545 0.11% 1.06%
1979 8,825,940 225,055,487 0.14% 1.11%
1980 8,861,535 226,542,250 0.4% 0.66%
1981 8,891,117 229,465,744 0.33% 1.29%
1982 8,917,457 231,664,432 0.3% 0.96%
1983 8,939,738 233,792,014 0.25% 0.92%
1984 8,960,679 235,824,908 0.23% 0.87%
1985 8,960,547 237,923,734 -0.001% 0.89%
1986 8,958,171 240,132,831 -0.03% 0.93%
1987 8,971,359 242,288,936 0.15% 0.9%
1988 8,981,446 244,499,004 0.11% 0.91%
1989 8,876,972 246,819,222 -1.16% 0.95%
1990 8,718,289 250,131,894 -1.79% 1.34%
1991 8,632,367 253,492,503 -0.99% 1.34%
1992 8,540,164 256,894,189 -1.07% 1.34%
1993 8,472,313 260,255,352 -0.79% 1.31%
1994 8,443,591 263,435,673 -0.34% 1.22%
1995 8,406,067 266,557,091 -0.44% 1.18%
1996 8,362,826 269,667,391 -0.51% 1.17%
1997 8,312,068 272,911,760 -0.61% 1.2%
1998 8,256,786 276,115,288 -0.67% 1.17%
1999 8,210,624 279,294,713 -0.56% 1.15%
2000 8,170,172 282,162,411 -0.49% 1.03%
2001 8,009,142 284,968,955 -1.97% 0.99%
2002 7,837,161 287,625,193 -2.15% 0.93%
2003 7,775,327 290,107,933 -0.79% 0.86%
2004 7,716,860 292,805,298 -0.75% 0.93%
2005 7,658,972 295,516,599 -0.75% 0.93%
2006 7,601,022 298,379,912 -0.76% 0.97%
2007 7,545,338 301,231,207 -0.73% 0.96%
2008 7,492,561 304,093,966 -0.7% 0.95%
2009 7,444,443 306,771,529 -0.64% 0.88%
2010 7,395,599 309,327,143 -0.66% 0.83%
2011 7,348,328 311,583,481 -0.64% 0.73%
2012 7,305,888 313,877,662 -0.58% 0.74%
2013 7,160,005 316,059,947 -2% 0.7%
2014 7,073,572 318,386,329 -1.21% 0.74%
2015 6,984,225 320,738,994 -1.26% 0.74%
2016 6,894,139 323,071,755 -1.29% 0.73%
2017 6,803,468 325,122,128 -1.32% 0.63%
2018 6,710,798 326,838,199 -1.36% 0.53%
2019 6,616,726 328,329,953 -1.4% 0.46%
2020 6,550,696 331,526,933 -1% 0.97%
2021 6,507,301 331,893,745 -0.66% 0.11%
2022 6,465,097 333,271,411 -0.65% 0.42%
2023 6,446,596 334,914,895 -0.29% 0.49%
2024 6,444,366 340,110,988 -0.03% 1.55%
2025 6,403,235 341,931,772 -0.64% 0.54%
2026 6,358,515 343,664,369 -0.7% 0.51%
2027 6,310,991 345,331,185 -0.75% 0.49%
2028 6,261,580 346,981,137 -0.78% 0.48%
2029 6,210,816 348,601,982 -0.81% 0.47%
2030 6,158,806 350,176,974 -0.84% 0.45%
2031 6,106,271 351,725,612 -0.85% 0.44%
2032 6,054,057 353,249,060 -0.86% 0.43%
2033 6,001,675 354,749,644 -0.87% 0.42%
2034 5,948,975 356,234,239 -0.88% 0.42%
2035 5,896,427 357,694,316 -0.88% 0.41%
2036 5,843,557 359,119,002 -0.9% 0.4%
2037 5,790,371 360,517,853 -0.91% 0.39%
2038 5,737,870 361,895,407 -0.91% 0.38%
2039 5,685,753 363,229,908 -0.91% 0.37%
2040 5,633,818 364,512,364 -0.91% 0.35%
2041 5,582,636 365,753,139 -0.91% 0.34%
2042 5,532,405 366,969,419 -0.9% 0.33%
2043 5,483,086 368,146,925 -0.89% 0.32%
2044 5,434,397 369,258,123 -0.89% 0.3%
2045 5,386,376 370,318,770 -0.88% 0.29%
2046 5,338,852 371,328,255 -0.88% 0.27%
2047 5,291,441 372,299,116 -0.89% 0.26%
2048 5,244,419 373,230,539 -0.89% 0.25%
2049 5,197,955 374,119,803 -0.89% 0.24%
2050 5,151,745 374,986,259 -0.89% 0.23%

From 2005 to 2015, the population of Bulgaria decreased by 674,747 people (a 8.81% decline), while the United States gained 25,222,395 people (a 8.54% growth).

For the next 10 years, from 2015 to 2025, Bulgaria lost -580,990 (a 8.32% decline), while the United States' population increased by 22,584,536 (a 7.04% growth).

Bulgaria was ranked 92nd most populous country in 2005 and is 111th in 2025. The United States was ranked 3rd in 2005 and still ranked 3rd now.

The UN's World Population Prospects forecasts that with changing growth rate trends in 25 years (in 2050) Bulgaria's population will shrink by 19.5% to 5,151,745 people with a rank change from 111th to 128th. The population of the United States will increase by 9.22% to 374,986,259 people and will still be ranked 3rd.

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