Based on a comparison of 31 countries in 2014, Uruguay ranked the highest in electricity production from nuclear sources with 839,018 GWh followed by France and Russia. On the other end of the scale was Netherlands with 4,091 GWh, Iran with 4,358 GWh and Slovenia with 5,528 GWh.
Total electricity production from nuclear sources reached 2,536,835 GWh in 2014 in the World according to World Bank / EIA. This is 1.8 % more than in the previous year and -7.93 % less than 10 years ago.
Historically, total electricity production from nuclear sources reached an all time high of 2,791,471 GWh in 2006 and an all time low of 2,924 GWh in 1960. The average annual growth amounted to 13.3 % since 1960.
The top ranked country, Uruguay, accounted for 33.1 % of electricity production from nuclear sources in the world. The top 3 countries hold a 57.4 % share while the ten largest countries some 85.1 % in 2014.
Data for more countries are available at Electricity Production from Nuclear Sources indicator page.