Over the next several years, governments in advanced countries will likely continue to struggle with mounting debt burdens and the associated rising costs of servicing that debt. It is also noteworthy to remember that total government debt continues to increase every year because of deficit spending.
So how does the Law of Large Numbers apply here? Simply put, at some point the whole debt situation could defy the ability of a government to control a national economy and the response to ever increasing debt burden costs. Here is a definition from Investopedia: