6) Australia: 44 
The 50 over World Cup champion are yet to win a WT20. They are the first country to play T20 international. They are a strong team in T20 cricket, but somehow they miss the edge. They qualified for the semifinal in the 2007th edition, in 2010 edition they lost to England in the final, in 2016 they have lost to India in the last group match.
So far the Australians have won 44 matches off 88 matches.