So how has the other 'western' countries been doing in this regard? Income gap reducing like "many countries in the Third World", or grown like in America?
OECD countries change in Gini co-efficient from around 2000 to mid 2000's:
Poland +.05
Germany +.03
Ireland +.03
Austria +.02
Norway +.02
Portugal +.02
US +.02
Italy +.01
All other countries remained stable, -.01 or -.02, except Mexico -.04.
From mid '90s to mid 2000s:
Finland +.04
Austria +.03
Canada +.03
Germany +.03
Denmark +.02
Norway +.02
Portugal +.02
Sweden +.02
US +.02
Czech Republic +.01
Ireland +.01
And who closed the income inequality gap the most?
Turkey -.06
Mexico -.05
Change in gini co-efficient from around 1990 to the mid 2000's:
Italy +.05
Portugal +.05
Czech Republic +.04
Germany +.04
Canada +.03
US +.03
Hungary +.02
New Zealand +.02
Sweden +.02
Change in gini co-efficient from the mid '80s to the mid 2000's:
New Zealand +.07
Finland +.06
Norway +.05
Germany +.04
Italy +.04
U.S. +.04
Austria +.03
Canada +.03
Sweden +.03
Japan +.02
Mexico +.02
Denmark +.01
Luxembourg +.01
Netherlands +.01
UK +.01
I've only got data for about 8 countries from the mid -70's to mid 2000's.
UK +.06
US +.05
Finland +.04
Portugal +.03
Canada +.02
Netherlands +.02
Sweden +.02
Greece -.09
http://stats.oecd.org/Index.aspx?DataSetCode=INEQUALITY
The US also started with a much higher GINI coeffecent than other countries on that list.