Nuclear power contributes only a small share to global energy production. According to World Energy Statistics 2015 published by the International Energy Agency, nuclear power accounts for 4.8 per cent of the total primary energy supply worldwide, far behind oil (31.1 per cent), coal (28.9 per cent), natural gas (21.4 per cent) and even behind biofuels and waste (10.2 per cent). Of the producers of nuclear power, the United States is by far the largest with 33.2 per cent of the world’s total, followed by France (17.1 per cent) and Russia (seven per cent). The UK’s production accounts for just 2.9 per cent. In contrast, France generates the largest share of its domestic electricity generation from nuclear power (74.4 per cent). It is followed by Sweden (43.4 per cent), Ukraine (43.0 per cent) and South Korea (25.8 per cent), while the UK comes fifth with 19.2 per cent. According to a 2014 OECD study, the largest currently known recoverable resources exist in Australia (approximately 2