According to the statistics of Bloomberg Billionaires Index( BBI), the assets of World’s 400 rich men shrank $19 billion in 2015. This is the first time that BBI received annual decrease.

Ken Fisher, the co-founder of Fisher Investments claimed that the worries to oil surplus, weak consumer spending and the slow economic development in developing countries are the reasons for their assets shrinking.

BBI showed that Carlos Slim suffered the greatest asset shrinking. The share of America Movil SAB declined by 25% this year so his fortunes declined $ 20 billion.

The fortunes of Warrent Buffett declined $11.3 billion as Berkshire Hathaway encountered the first annual deficits since 2012.

Bill Gates, World’s Five Richest, co-founder of Microsoft whose asset declined $3 billion.

There are also some richests make profit t this year. Amancio Ortega added asset up $12.1 billion, becoming the second richest. The gap narrowed down to $10 billion between Ortega and Bill Gates.

The biggest winner went to Jeff Bezos, the founder of Amazon. His fortunes added $31 billion, reaching to $59 billion.

BBI indicated that the total fortunes of World’s 400 richest reach up to $39,00 billion. Such figure is over each country’s GDP except America, China and Japan.

Till December 28, 2015, there are 28 Chinese billionaires in the list of Bloomberg Billionaires Index. Their total fortunes reach up to $256 billion.