Flash Player 9 is King !

Flash Player 9 is at 95% penetration already !
The most recent statistics from Adobe shows that 99% of all users are now able to see Flash content and 95% can see the latest version.

According to the latest survey by Millward Brown, 99% of US and Canadian customers can now view Flash Player 6 based content and for Japan the figure is even 99.5%. The stats have never been this strong and even accounting for statistical errors, this is nothing less than amazing.

Keep in mind that the percentage will vary from site to site depending on the target audience, but that these numbers are often a good indication.
Read more at Emmy Huang's blog
the stats