According to the latest market share survey from NetMarketShare (http://www.netmarketshare.com), the market share for Mac OS X, Safari and iOS all dipped slightly month.

According to the report, among desktop operating systems, Mac OS X had 6.44% of the global market share in May compared to 6.53% in April (that’s global market share; in the US it’s over 10%). Windows remains dominant with 92.53% as of May. That’s up from 92.59% in April.

When it comes to browsers, Safari had 4.62% in May compared to 4.81% in April. Internet Explorer had 54.05%, Firefox had 19.71% and Chrome had 19.58%. That compares to, respectively, April percentages of 54.09%, 20.20% and 18.585%, respectively, for the browsers.

The iOS’s still dominated in May, according to NetMarketShare. It had 62.65%, compared to 19.69% for Android, 12.17% for Java ME, 2.09% for Blackberry, and 1.86% for Symbian. That compares to 63.19%, 19.27%, 11.83%, 20.4% and 2.24%, respectively, in April.

NetMarketShares’ monthly surveys don’t measure market share in terms of computer systems sold. Instead they sample data from visitors to some 40,000 web sites operated by their clients. And note that NetMarketShare’s numbers don’t equate to sales.