41.2B bbl
2021 (latest)
PROVED CRUDE OIL RESERVES
million barrels · 1899–2021 · neither direction is "better" · U.S. Energy Information Administration, crude oil proved reserves
2.5B bbl
1899
44.2B bbl
high · 2019
2.5B bbl
low · 1899
+1546%
since 1899
┊ dashed lines mark 1979 Oil shock & inflation peak · 1987 Black Monday crash · 1991 Gulf War recession · 2001 Dot-com bust & 9/11 · 2008 Global financial crisis · 2020 COVID-19 pandemic
Method & caveats. Series RCRR01NUS_1; national duoarea NUS; publisher annual observations through 2021. Original unit: MMBBL. Converted only by the declared unit scale. Two-year publication lag: EIA's latest published annual reserves estimate is 2021 (live check 2026-09-11), so the series ends there and extends when EIA publishes. Breaks: Two-year publication lag: EIA's latest published annual reserves estimate is 2021 (live check 2026-09-11), so the series ends there and extends when EIA publishes.
Sources
Every value on this page is read from the publisher below. Current and historical source documents:
- https://api.eia.gov/v2/petroleum/crd/pres/data/?frequency=annual&data%5B0%5D=value&facets%5Bseries%5D%5B%5D=RCRR01NUS_1&facets%5Bduoarea%5D%5B%5D=NUS&length=5000&sort%5B0%5D%5Bcolumn%5D=period&sort%5B0%5D%5Bdirection%5D=asc
- https://github.com/danielmiessler/substrate/tree/main/Data/US-Energy-And-Environment
Data
| Year | Proved crude oil reserves | Change |
|---|---|---|
| 2021 | 41.2B bbl | +15% |
| 2020 | 35.8B bbl | −19% |
| 2019 | 44.2B bbl | +1% |
| 2018 | 43.8B bbl | +12% |
| 2017 | 39.2B bbl | +19% |
| 2016 | 32.8B bbl | +1% |
| 2015 | 32.3B bbl | −11% |
| 2014 | 36.4B bbl | +9% |
| 2013 | 33.4B bbl | +9% |
| 2012 | 30.5B bbl | +15% |
| 2011 | 26.5B bbl | +14% |
| 2010 | 23.3B bbl | +12% |
| 2009 | 20.7B bbl | +8% |
| 2008 | 19.1B bbl | −10% |
| 2007 | 21.3B bbl | +2% |
| 2006 | 21.0B bbl | −4% |
| 2005 | 21.8B bbl | +2% |
| 2004 | 21.4B bbl | −2% |
| 2003 | 21.9B bbl | −3% |
| 2002 | 22.7B bbl | +1% |
| 2001 | 22.4B bbl | +2% |
| 2000 | 22.0B bbl | +1% |
| 1999 | 21.8B bbl | +3% |
| 1998 | 21.0B bbl | −7% |
| 1997 | 22.5B bbl | +2% |
| 1996 | 22.0B bbl | −1% |
| 1995 | 22.4B bbl | −0% |
| 1994 | 22.5B bbl | −2% |
| 1993 | 23.0B bbl | −3% |
| 1992 | 23.7B bbl | −4% |
| 1991 | 24.7B bbl | −6% |
| 1990 | 26.3B bbl | −1% |
| 1989 | 26.5B bbl | −1% |
| 1988 | 26.8B bbl | −2% |
| 1987 | 27.3B bbl | +1% |
| 1986 | 26.9B bbl | −5% |
| 1985 | 28.4B bbl | −0% |
| 1984 | 28.4B bbl | +3% |
| 1983 | 27.7B bbl | −0% |
| 1982 | 27.9B bbl | −5% |
| 1981 | 29.4B bbl | −1% |
| 1980 | 29.8B bbl | −0% |
| 1979 | 29.8B bbl | −5% |
| 1978 | 31.4B bbl | −1% |
| 1977 | 31.8B bbl | +3% |
| 1976 | 30.9B bbl | −5% |
| 1975 | 32.7B bbl | +1% |
| 1974 | 32.3B bbl | −9% |
| 1973 | 35.3B bbl | −3% |
| 1972 | 36.3B bbl | −5% |
| 1971 | 38.1B bbl | −2% |
| 1970 | 39.0B bbl | +32% |
| 1969 | 29.6B bbl | −4% |
| 1968 | 30.7B bbl | −2% |
| 1967 | 31.4B bbl | −0% |
| 1966 | 31.5B bbl | +0% |
| 1965 | 31.4B bbl | +1% |
| 1964 | 31.0B bbl | +0% |
| 1963 | 31.0B bbl | −1% |
| 1962 | 31.4B bbl | −1% |
| 1961 | 31.8B bbl | +0% |
| 1960 | 31.6B bbl | −0% |
| 1959 | 31.7B bbl | +4% |
| 1958 | 30.5B bbl | +1% |
| 1957 | 30.3B bbl | −0% |
| 1956 | 30.4B bbl | +1% |
| 1955 | 30.0B bbl | +2% |
| 1954 | 29.6B bbl | +2% |
| 1953 | 28.9B bbl | +4% |
| 1952 | 28.0B bbl | +2% |
| 1951 | 27.5B bbl | +9% |
| 1950 | 25.3B bbl | +3% |
| 1949 | 24.6B bbl | +6% |
| 1948 | 23.3B bbl | +8% |
| 1947 | 21.5B bbl | +3% |
| 1946 | 20.9B bbl | +0% |
| 1945 | 20.8B bbl | +2% |
| 1944 | 20.5B bbl | +2% |
| 1943 | 20.1B bbl | −0% |
| 1942 | 20.1B bbl | +3% |
| 1941 | 19.6B bbl | +3% |
| 1940 | 19.0B bbl | +3% |
| 1939 | 18.5B bbl | +7% |
| 1938 | 17.3B bbl | +12% |
| 1937 | 15.5B bbl | +19% |
| 1936 | 13.1B bbl | +5% |
| 1935 | 12.4B bbl | +2% |
| 1934 | 12.2B bbl | +1% |
| 1933 | 12.0B bbl | −2% |
| 1932 | 12.3B bbl | −5% |
| 1931 | 13.0B bbl | −4% |
| 1930 | 13.6B bbl | +3% |
| 1929 | 13.2B bbl | +20% |
| 1928 | 11.0B bbl | +5% |
| 1927 | 10.5B bbl | +19% |
| 1926 | 8.8B bbl | +4% |
| 1925 | 8.5B bbl | +13% |
| 1924 | 7.5B bbl | −1% |
| 1923 | 7.6B bbl | +0% |
| 1922 | 7.6B bbl | −3% |
| 1921 | 7.8B bbl | +8% |
| 1920 | 7.2B bbl | +7% |
| 1919 | 6.7B bbl | +8% |
| 1918 | 6.2B bbl | +5% |
| 1917 | 5.9B bbl | +0% |
| 1916 | 5.9B bbl | +7% |
| 1915 | 5.5B bbl | +2% |
| 1914 | 5.4B bbl | −2% |
| 1913 | 5.5B bbl | +2% |
| 1912 | 5.4B bbl | +8% |
| 1911 | 5.0B bbl | +11% |
| 1910 | 4.5B bbl | +7% |
| 1909 | 4.2B bbl | +5% |
| 1908 | 4.0B bbl | +3% |
| 1907 | 3.9B bbl | +3% |
| 1906 | 3.8B bbl | +0% |
| 1905 | 3.8B bbl | +6% |
| 1904 | 3.6B bbl | +6% |
| 1903 | 3.4B bbl | +6% |
| 1902 | 3.2B bbl | +7% |
| 1901 | 3.0B bbl | +3% |
| 1900 | 2.9B bbl | +16% |
| 1899 | 2.5B bbl | — |
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