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Population estimates for the UK, England and Wales, Scotland and Northern Ireland - Office for National Statistics
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Scotland's Population Story - A Scotland for the future: opportunities and challenges of Scotland's changing population - gov.scot
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Scotland's Population Story - A Scotland for the future: opportunities and challenges of Scotland's changing population - gov.scot
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Why is England's population four times more than Ireland, Scotland, and Wales combined? Was this always historically the case or did things use to be so much different in the distant past? -
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