Mac OS X, Safari and iPhone market share for Internet usage rose from March to April, according to the latest market share survey from NetMarketShare (

According to the report, among operating systems, Mac OS X had 5.32% of the global market share in April, compared to 5.33% in March (that’s global market share; in the US it’s almost 10 %). Windows remains dominant with 91.46% as of April. That’s down from 91.58% in March. Apple’s highest percentage previously was 5.27% in October 2009, so March’s number is an all-time high.

When it comes to browsers, Safari had 4.72% in April, while Internet Explorer had 59.95% Firefox had 24.59% and Chrome had 6.73%. That compares to, respectively, March percentages of 60.65, 24.52 and 6.13%, for the browsers.

The iPhone’s market share also rose, according to Net Applications. The Apple device had 0.531% of the global market share in April compared to 0.51% in March. The iPod touch also had 0.12% of the mobile market share in April, compared to 0.11% in March.

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.