Education: Haverstock Comprehensive in Chalk Farm; the University of Oxford (PPE); the London School of Economics
The son of immigrant parents, Ed Miliband began his career as a researcher on the Channel 4 program A Week in Politics. He started working for the Labour Party in 1993 and worked for Gordon Brown. He was elected at MP for Doncaster North in May 2005 with over 50 per cent of the vote. He has been leader of the Labour Party since September 2010.
Birthplace: Irvine, Ayrshire
Education: Greenwood Academy; the University of Glasgow (Bachelor of Law, Diploma in Legal Practice)
Nicola Sturgeon joined the Scottish National Party in 1986, where she worked as a Youth Affairs Vice Convener and Publicity Vice Convener. She originally ran in the 1992 general election, when she was the youngest candidate in Scotland, but failed to win the seat.
In 1997, she defied a Labour national landslide to win the Glasgow Govan seat for the SNP. Although she failed to win the seat in the Scottish Parliament elections of 1999, following partial devolution, she was placed first in the SNP regional list and became a MSP.
Sturgeon has served in the Shadow Cabinets of both Alex Salmond and John Swinney, and has been the Shadow Minister of Children and Education, Health and Community Care, and Justice.
She became Deputy First Minister of the SNP in 2007 and party leader in September 2014.
Education: Eton College; the University of Oxford (PPE)
After leaving Eton in 1984, David Cameron took up a post as a researcher for his godfather Tim Rathbone before working in Hong King as a “ship jumper”. He then entered the University of Oxford, where he was – controversially – a member of the elite Bullingdon Club.
After graduating, Cameron worked for the Conservative Research Department, going on to brief John Major for Prime Minister’s Questions. He then served as Special Adviser to the Chancellor and later the Home secretary.
After various attempts, Cameron won a seat in Witney, Oxfordshire in 2010. His leadership of the Conservative Party was announced in December 2005.
Birthplace: Downe, Kent
Education: Dulwich College
The son of a stockbroker, Nigel Farage was educated at Dulwich College in south London before entering the City as a broker on the London Metal Exchange.
Farage had been involved in the Conservative Party since school, but left in 1992 after then Prime Minister John Major’s government signed a treaty on the European Union. He was a founding member of UKIP the following year.
Farage was elected to the European Parliament in 1999 and then again in 2004, 2009 and 2014. He was elected leader of UKIP in September 2006.
Birthplace: Sydney, Australia
Education: MLC School, Burwood, New South Wales; University of Sydney (Bachelor of Agricultural Science); University of New England (BA Arts); University of Leicester (MA Mass Communication)
Natalie Bennett was born in Sydney, and started work as a journalist in New South Wales. She left Australia in 1995, living for four years in Thailand before moving to Britain in 1999. She has worked for the Independent, the Times and has been editor of The Guardian Weekly.
She joined the Green Party in 2006, working as an internal communications co-ordinator. She also founded the Green Party women’s group, and was a trustee of the Fawcett Society 2010-14.
Bennett replaced Caroline Lucas as leader of the Green Party in September 2012. Now a British Citizen, she would be eligible to hold the post of Prime Minister.