1. United States
•Nuclear Power Plants: 93 operational reactors (largest fleet in the world).
•Electricity Generation: ~19% of total electricity is from nuclear power.
•Details:
•The U.S. is a leader in advanced nuclear technologies and research.
•It also has the world’s largest installed nuclear capacity.

2. France
•Nuclear Power Plants: 56 reactors.
•Electricity Generation: ~70% of electricity comes from nuclear energy (highest proportion globally).
•Details:
•France is a global leader in nuclear energy use.
•Operates a closed fuel cycle, recycling spent nuclear fuel.

3. Japan
•Nuclear Power Plants: 33 operational reactors, though fewer are active post-Fukushima.
•Electricity Generation: ~6.9% from nuclear (as of 2023; aiming for ~20–22% by 2030).
•Details:
•Japan’s nuclear programme slowed after the 2011 Fukushima disaster but is gradually restarting reactors.

4. Russia
•Nuclear Power Plants: 37 reactors.
•Electricity Generation: ~20% from nuclear.
•Details:
•Russia is a major exporter of nuclear technology (e.g., Rosatom).
•Actively developing advanced reactor designs, including fast-breeder reactors.

5. China
•Nuclear Power Plants: 57 operational reactors, with over 20 under construction.
•Electricity Generation: ~5% from nuclear (rapidly expanding capacity).
•Details:
•China is aggressively building nuclear reactors to reduce reliance on coal.
•Focuses on large-scale deployment of advanced technologies.

6. South Korea
•Nuclear Power Plants: 25 reactors.
•Electricity Generation: ~28% from nuclear.
•Details:
•South Korea is a major exporter of nuclear reactor technology.
•It maintains a strong domestic nuclear industry.

7. Canada
•Nuclear Power Plants: 19 reactors.
•Electricity Generation: ~15% from nuclear.
•Details:
•Known for its unique CANDU reactors, which use natural uranium.
•Supplies electricity in Ontario and New Brunswick.

8. Germany (Phasing Out)
•Nuclear Power Plants: None operational (officially phased out nuclear energy in April 2023).
•Electricity Generation: Previously ~12% from nuclear (before the phase-out).
•Details:
•Germany decided to exit nuclear power post-Fukushima, focusing on renewable energy instead.

9. United Kingdom
•Nuclear Power Plants: 8 reactors.
•Electricity Generation: ~15% from nuclear.
•Details:
•The UK is investing in advanced small modular reactors (SMRs).
•Nuclear power is seen as part of the UK’s clean energy strategy.

10. India
•Nuclear Power Plants: 22 reactors.
•Electricity Generation: ~3% from nuclear (expected to increase).
•Details:
•India is expanding its nuclear energy programme and developing indigenous technologies.
•Plans to triple nuclear capacity by 2030.

Honourable Mentions:
1.Sweden: ~30% of electricity from nuclear, with 6 operational reactors.
2.Ukraine: ~50% of electricity from nuclear, despite ongoing challenges due to war.
3.Finland: Expanding nuclear, including the newly operational Olkiluoto 3 reactor.

Nuclear technology has moves dramatically forward in safety from what I understand. 
We would be looking at it, zero question.