Overall, the Conservatives managed to raise £38m and Labour got around £32m in the year before polling day, suggesting Cameron probably outspent Miliband.
The Russian and Chinese channels are clearly proxies for their governments and Britain is being vastly outspent".
Mining magnate Clive Palmer outspent the then incumbent Labor government in the final week of September's election campaign, with new figures from Nielsen recording a $2.7m advertising blitz in the closing weeks.
Labour outspent the Tories on mailshots - it spent £5,049,205 on them while the Tories spent £4,479,116.52.
The Republican outspent Graves by more than 12 to one, the centre said.
"On a global scale the BBC are concerned because they are being outspent by the Russians and Chinese on a spectacular scale," said Professor Stewart Purvis, the former ITN chief executive.
By the same token, Democratic incumbents hugely outspent Republican challengers in 2010; the Republicans could only compete thanks to outside spending.
He's been outspent (Mr Bloomberg has deployed $85m of his own cash so far), but he also has himself to blame.
The PLD outspent its opponents in the campaign.Mr Medina promised "safe change".
The USDP has vastly outspent its opponents, most of them puny upstarts put together at short notice with paltry resources.
Moreover, poorer candidates have won early primaries in the past, including Mike Huckabee, who triumphed in Iowa's Republican caucuses in 2008 despite being massively outspent by Mr Romney.
