Xbox executive Yusuf Mehdi announced the Xbox One would be expanding to 26 new markets by September. Thus far the Xbox has primarily been sold in 13 ‘launch countries.’ Sony has been aggressive with the PS4 available in 54 markets. Microsoft states that they will share more information at the end April, so sometime after the the Build conference. The 26 new countries are:
While Russia is listed as a new market, it is unclear if this includes the recently annexed Crimea. I have reached out to Microsoft for comment.
Source: Xbox Wire