With the results in from all 32 council areas, the “No” side won with 2,001,926 votes over 1,617,989 for “Yes”.
Scotland’s First Minister Alex Salmond called for unity and urged the unionist parties to deliver on more powers.
Prime Minister David Cameron said he was delighted the UK would remain together and said the commitments on extra powers would be honoured.
Mr Cameron said the three main unionist parties at Westminster would now follow through with their pledge of more powers for the Scottish Parliament.
“We will ensure that those commitments are honoured in full,” he said.