The report shows both the historical and current trends in UK national debt. At Budget time in March 2017: The UK National Debt is estimated to be £1.64 trillion. Public Debt in the United Kingdom is principally the debt of the central government. In 2005 the UK National Debt was less that £0.5 trillion. But then came the worldwide financial crisis of 2008 and subsequent recession. The National Debt increased rapidly and went over £1 trillion in 2011. At the end of the 2015-16 fiscal year, the National Debt went over £1.5 trillion. In terms of Gross Domestic Product the UK National Debt in 2005 was about 38 percent of GDP. But in the last ten years, in the wake of the Crash of 2008 and subsequent recession, the National has doubled to over 80 percent GDP, but shows signs of leveling out as a percent of GDP.