Eli5 Will nuclear power run out?

Question

Was wondering about how long nuclear power would be sustainable for. Could we run out of the elements required?
Is there a time line if we shift to all nuclear.

In: 9

Answer 1

There’s estimated 200+ years of known uranium reserves at today’s consumption rate. If the Thorium cycle finally progresses from experimental to large scale, there’s enough reserves for 1000+ years.