With just hours left before the historic vote on Thursday, most opinion polls and experts say it is a vote too tight to predict.
Opinion polls have failed to put either side decisively ahead.
In its final hours, the battle for Scotland had all the trappings of a normal election campaign: "Yes Scotland'' and "No, Thanks'' posters in windows, buttons on jackets, leaflets on street corners and megaphone-topped campaign cars cruising the streets blasting out Scottish songs and "Children of the Revolution."
The gravity of the imminent decision was hitting home for many voters as political leaders made passionate, final pleas for their sides.
More than 4.2 million people are registered to vote in the country of 5.3 million people. including, for the first time, 16 and 17-year-olds - with neither side assured of a victory.
The latest polls released by Ipsos MORI, on Wednesday, put opposition to independence at 51 percent and support at 49 percent, with five percent of voters undecided. The company had conducted a telephonic poll of 1,373 people.