About 3 per cent of the world’s population – 214 million people – live outside the land in which they were born. The value of migrants is being more greatly appreciated at a time when many countries – facing economic difficulties and stiffening public attitudes – are adopting restrictive immigration policies.

Migrants can spur economic growth and the exchange of ideas in their new homes, but can they do the same for their homelands?

Britain’s Prince Charles and Camilla, Duchess of Cornwall, leave after the state opening of parliament at   Westminster  on Wednesday. Photograph: Dan Kitwood/Reuters

Changing of the guard taking place, slowly but perceptibly

Tullow ceo Aidan Heavey: said transparancy was the best way to avoid allegations

AGM hears company has “zero tolerance” approach to bribery

Peter Hain

Victory over Conservatives in 2015 is ’not just one heave away’

Queen Elizabeth II

Commitments on international aid and anti-smoking measures dropped

Former British chancellor of the exchequer Nigel Lawson has  called  for Britain to quit the European Union. Photograph:  Stefan Rousseau/PA Wire

Proposed curbs likely to be in response to UKIP election gains

Dismal future beckons unless the battle for cyber-security is won, leading British academics tell Mark Hennessy, London Editor

British prime minister David Cameron. Photograph: Oli Scarff/Reuters

British politics landscape fracturing: none of the biggest parties won more than 30%

UK Independence Party leader Nigel Farage in London yesterday. Mr Farage said the local election results boded well for the Westminster election. Photograph: Olivia Harris/Reuters

Conservatives suffer badly at the hands of smaller parties, but Labour could also face problems

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