G-20 Government Debt to GDP ratio 2011, is it the main cause of global crisis?

After subprime mortgage crisis in America, we are now facing problem of high government debt risk in some G-20 member plus Euro countries.

Some analist say that the main cause is the politicians give generous subsidies to gain support from the community, and has been going on for many years.

Below is the list of G-20 members with estimated future gross government debt based on data released in September 2011 by the International Monetary Fund.

Greece has 166% ratio, and not included in G-20, but Greece is European Union member.

Is it the main cause of today global economic crisis? Actually there are many factors to determine whether debt of  certain country is safe or not. I let you to analyze it by yourself. 

Gross government debt in percent of GDP
	NO	G-20 MEMBER	Year 2011 %
	1	European Union	n/a
	2	Japan	233
	3	Italy	121
	4	United States	100
	5	France	87
	6	Canada	84
	7	Germany	83
	8	United Kingdom	81
	9	Brazil	65
	10	India	62
	11	Argentina	43
	12	Mexico	43
	13	Turkey	40
	14	South Africa	36
	15	South Korea	32
	16	China	27
	17	Indonesia	25
	18	Australia	23
	19	Russia	12
	20	Saudi Arabia	7
	Sorted by biggest percentage of Debt to GDP ratio

Source Wikipedia