The Debt Bomb Facing the World
If policymakers focused their attention in 2009 on dragging the global economy out of recession, this year looks likely to center on reining in the massive piles of government debt built up by big bailout packages. Failing to wrestle down the fiscal debt monster could stall the nascent worldwide economic recovery.
Already this year, international rating agencies have warned about unsustainable budget deficits in Greece and Ireland, and most members of the euro zone have sailed past the 3% budget deficit cap required for membership in the common European currency. Government debt ratios in the U.S. and Britain could take decades to return to normal levels. ...
Japan's Stats

Sovereign Credit Rating: AA
Debt-to-GDP Ratio, 2010: 227.0%
Current Account Balance, 2010: 2.0%
GDP Growth, 2010: 1.6%
Budget Deficit Ratio, 2010: –10.2%
Despite one of the world's highest debt-to-GDP ratios, the world's second-largest economy is still viewed as a relatively safe bet by global investors. That's due to a strong export industry, with the likes of global auto giant Toyota and tech behemoths Sony and Panasonic ranking among the world's largest companies. Yet problems lie ahead. Late in 2009, the government approved an $81 billion stimulus package, though much of Japan's domestic economy, particularly its sluggish financial-services sector, still hasn't recovered from the real estate bust and Asian financial crisis in the late 1990s.