4. Luxembourg
Yearly Wage In US Dollars: $81,839
Luxembourg, next on the list of highest paying countries for radiation therapists is a very small country and yet so developed and powerful. Here radiation therapists are earning one of the best salaries in the world while they live in this peaceful and beautiful country. Luxembourg is on the fourth place on the list of highest income earnings in the world with a Gross National Income per capita in US dollars of $75,990.