In 2020 only 0.5% of the uranium supply in the EU was domestic (+ 1.6% re-enriched), but the percentage from the Russian sphere of influence was as follows:[1]
20.2 % Russia
19.2 % Kazakhstan
2.6 % Uzbekistan
Total: 42.0 %
The figures for the US in 2020 were as follows:[2] 16 % Russia
22 % Kazakhstan
8 % Uzbekistan
Total: 46 %
[1] Source: https://ec.europa.eu/eurostat/statistics-explained/index.php...[2] Source: https://www.eia.gov/energyexplained/nuclear/where-our-uraniu...