World Bank issues the new version of PPP (purchasing power parity) GDP report in 2005 for international comparsion. Table is here. Explanantion is here.
Here are some numbers of PPP $ GDP per capita:
India $2,126
China $4,091
Mexico $11,317
Korea $21,342
Taiwan $26,068
Japan $30,290
UK $31,580
Canada $35,078
US $41,674
Luxembourg $70,014