DesktopLinux.com has a page where readers are polled about their choice of desktop Linux distributions. So far 3466 votes have been tallied. Rick Lehrbaum, who maintains the site, says he believes the numbers are probably close to accurate. One of the less popular distros did spike while when the total vote tally was lower, suggesting a little ballot stuffing; but the overall results have remained consistent. The poll question was, Which Linux distribution(s) do you use (or plan to use) on your desktop computer system? Here's how the answers sort out:
[Note: might be better visually to render this as a graph. If Lydia wants me to turn this into a graphable spreadsheet, let me know.]