According to the OECD, America is one of only three advanced countries which spends less on the education of poorer children than richer ones.

ECONOMIST: The United States: The rich and the rest | The

These findings suggest that older women with breast cancer and women with more advanced disease may be treated less aggressively in the UK than in the other five countries.

BBC: A mammography of a woman's breast

Less than a fifth of the 180 countries in the world have made it to being advanced economies.

BBC: China: Does it have to become more like us?