list of countries by their nuclear share of electricity generation:
1.France 🇫🇷 : 64.8%
2.Slovakia 🇸🇰 : 61.3%
3.Ukraine 🇺🇦 : 55.0%
4.Hungary 🇭🇺 : 48.8%
5.Belgium 🇧🇪 : 41.2%
6.Slovenia 🇸🇮 : 36.8%
7.Czechia 🇨🇿 : 40.0%
8.Switzerland 🇨🇭 : 28.6%
9.Finland 🇫🇮 : 32.4%
10.Bulgaria 🇧🇬 : 32.0%
11.Armenia 🇦🇲 : 31.1%
12.South Korea 🇰🇷 : 31.5%
13.Sweden 🇸🇪 : 28.6%
14.Spain 🇪🇸 : 20.3%
15.Russia 🇷🇺 : 19.7%
16.Romania 🇷🇴 : 18.9%
17.United States 🇺🇸 : 18.6%
18.Pakistan 🇵🇰 : 6.3%
19.United Kingdom 🇬🇧 : 13.7%
20.Canada 🇨🇦 : 15.0%
21.Belarus 🇧🇾 : 6.3%
22.China 🇨🇳 : 4.9%
23.South Africa 🇿🇦 : 4.9%
24.India 🇮🇳 : 3.1%
25.Iran 🇮🇷 : 1.7%
26.Germany 🇩🇪 : 0%
27.Italy 🇮🇹 : 0%
28.Lithuania 🇱🇹 : 0%
29.Kazakhstan 🇰🇿 : 0%

Please note that these figures are based on the most recent data available and may vary slightly depending on the source.