The guys over at <a href="http://www.steampowered.com/v/index.php" >Valve</a> have just released the official Team Fortress 2 stats. These stats Highlight things such as most played classes, kill averages, total time played per map and per class, and so forth.
If you want to see how the community as a whole is doing with TF2, be sure to check it out <a href="http://www.steampowered.com/status/tf2/tf2_stats.php" >here</a>.
"At Valve, we're always striving to make our products better. We've traditionally relied on things like written feedback from players to help decide which improvements to focus on. More recently, Steam has allowed us to collect more information than was previously possible. TF2 includes a reporting mechanism which tells us details about how people are playing the game. We're sharing the data we collect because we think people will find it interesting, and because we expect to spot emergent problems earlier, and ultimately build better products and experiences as a result. Let us know what you think."
If you want to see how the community as a whole is doing with TF2, be sure to check it out <a href="http://www.steampowered.com/status/tf2/tf2_stats.php" >here</a>.