With the news focusing on Greece's debt problems and China's $28 trillion debt, people forget that most of the countries in the world are deep in debt. Not only are many countries in debt, but they have too much debt and executives from Goldman Sachs' (NYSE: GS) and other financial companies are worried. According to Business Insider, the debt problem isn't just a problem now, but with life expectancy growing and with the economy no longer run by young workers, the debt economy is no longer sustainable. "There is too much debt and this represents a risk to economies. Consequently, there is a clear need to generate growth to work that debt off but, as demographics change, new ways of thinking at a policy level are required to do this,"Andrew Wilson, head of Europe, Middle East and Africa (EMEA), said. For more news about debt, click here.