The IAEA/OECD-NEA Red Book indicates recoverable uranium resources sufficient for many decades at current consumption levels, although investments in exploration, mining, conversion, and enrichment would be required if demand grows significantly. Furthermore, advanced reactors and recycling can modify fuel utilisation. It is therefore not correct to say that uranium will 'run out soon', but it is correct to talk about the supply chains and investments required.
All FAQ
55.
Could nuclear fuel run out soon?
Not according to current assessments of identified resources.