How much oil is left in the world oil reserves?

We all know crude oil is a diminishing resource, but have we almost depleted the world oil reserves? Economists would have us believe we’re in crisis, as would the lunatic fringe, but the truth is we’re actually quite far from this...

Oil is not the world’s only energy source — it currently accounts for about 35 percent of global demand — but it is our single largest energy source, and it fuels nearly all the world’s transportation. So, let’s take a look at some facts about our world oil reserves, as well as some historical perspective.

What are the estimated world oil reserves?

The U.S. Geological Survey, to cite just one