20 countries from four continents launched the Declaration to Triple Nuclear Energy by 2050
"Endorsing countries include the United States, Bulgaria, Canada, Czech Republic, Finland, France, Ghana, Hungary, Japan, Republic of Korea, Moldova, Mongolia, Morocco, Netherlands, Poland, Romania, Slovakia, Slovenia, Sweden, Ukraine, United Arab Emirates, and United Kingdom. "
Nukular was between 15 and 20% in the 90s. It decline afterwards to now 9%.
https://ourworldindata.org/electricity-mix