Four out of five second-generation immigrant children speak English fluently, but the same proportion are also fluent in Spanish.

BBC: Life in Spanglish for California's young Latinos

But today their job prospects are rosier - they are well equipped for multinational customer service positions and speak English fluently.

BBC: Anglo-Indians: Is their culture dying out?

Then again, if English brings wealth why is Africa still downtrodden despite many Africans speaking English more fluently than the Japanese?

FORBES: English - The Language of Global Business?

His heavily accented English is woven with anecdotes in French, one of the seven languages he speaks fluently.

ECONOMIST: Early music