The current rankings put the US 18th according to GDP (2nd in absolute terms) and the UK is 19th. Australia “squandered an early technical lead in solar energy” and is 28th.
Spain is 4th relative to GDP, Finland is 5th and China 6th.
In absolute terms, the top ten countries are: 1. Germany, 2. the US, 3. Japan, 4. China, 5. Denmark, 6. Brazil, 7. Spain, 8. France, 9. the UK, 10. Korea.