<P> Sports - related costs for the Summer Games since 1960 is on average USD 5.2 billion and for the Winter Games USD 3.1 billion dollars . Severe cost overruns made the 2014 Winter Olympics the most expensive Olympics in history ; with Russian politician Boris Nemtsov citing allegations of corruption among government officials , and Allison Stewart of the Saïd Business School at Oxford citing tight relationships between the government and construction firms . While originally budgeted at US $12 billion , the budget expanded to US $51 billion , surpassing the estimated $44 billion cost of the 2008 Summer Olympics in Beijing , making Sochi the most expensive Olympics in history . </P>
how much does it cost for the olympics
on average USD 5.2 billion and for the Winter Games USD 3.1 billion dollars