Total world proved oil reserves reached 1687.9 billion barrels at the end of 2013.
That’s enough to meet 53.3 years of global production.
The biggest additions to reserves in 2013 came from Russia, which added 900 million barrels.
Venezuela added another 800 million barrels.
OPEC members hold the majority of global reserves — 71.9%.
South & Central America continues to hold the highest Reserves-to-Production ratio.
Over the past decade, global proved reserves increased by 27% or over 350 billion barrels.
Source: BP Statistical Review of World Energy 2014