Tax Year 2018 tax statistics data is now available from IRS. The data represent approximately 95 percent of all individual income tax returns that the IRS will process in Calendar Year 2019 and the first tax data filed under the Tax Cuts and Jobs Act.
OS and Browser stats spring 2015
Browser and Operating System Statistics from the jdnash.com series of web sites. Sites are mostly un-promoted and as such visitors are considered a random sample, most likely representative of current market conditions. This is useful for seeing which browser or os is currently most in use. Browsers used were 337,000 accesses from unnamed Mozilla compatible browsers, 308,000 from Safari-like, 193,000 from FireFox, 162,000 from Microsoft Internet Explorer in some form. Google Chrome is reported in the summary as part of the Safari stats. Adding up the lines in the Browser Detailed Report (below) that specifically state Chrome or Chromium there were around 99,500 accesses from a Google Chromium based browser.