Source: Education at a Glance 2015, section 6.
The British, Australians, and Italians experienced strong growth in tertiary attainment since the year 2000. In the case of the Italians, it was from a low base. There is still a big difference in tertiary attainment between English-speaking and other countries.
Source: OECD Factbook 2015-2016.
Australia has had a working rich for a long time now. Australian top income earners are top wage earners. They are athletes, celebrities, business executives and in the professions.
Source: The World Wealth and Income Database.
HT: Tony Gibbons
The graph shows how many years you have left if aged 25 to 29 in 1990.