Campaigners spent almost £6.7 million during the independence referendum, according to new figures published by the Electoral Commission.
The official campaign for a No vote, Better Together, spent £1,422,602 on its campaign effort while its rival Yes Scotland spent £1,420,800 in the regulated period, from May 30 until September 18 2014.
During this period, the SNP spent £1,298,567, Labour spent £732,482 and the Conservatives spent £356,191.
A total of 42 organisations and individuals registered with the commission as campaigners at the referendum and altogether they reported spending £6,664,980.
Those spending more than £250,000 were required to submit an independently-audited return to the commission by March 18, 2015.
Campaigners spent the largest amounts on advertising, which totalled £1,884,396, and unsolicited material to electors, such as leaflets, coming in at £1,857,414.
Other costs included overheads and general administration, transport, rallies and events, market research, media and campaign broadcasts.
As part of their spending return, campaigners were also required to report details of all individual donations of a value over £7,500 accepted from December 18, 2013.
They were also required to report a combined total for any donations accepted of a value between £500 and £7,500.
Campaigners reported donations in four pre-poll reports ahead of the September 18 vote.
In total, £7,139,747 was donated to the Yes and No campaigns, with £4,327,677 being given to No and £2,812,070 to Yes.