Java version statistics

Question

Where can I see statistics about the most used Java versions?

(I want to develop applications that will run on most systems)

Answer 1

According to StatOwl, Java 6 has reached a 70% adoption rate.

Answer 2

Version 1.6, update 11 enabled background upgrades so it will always be current. 70% of java installs are version 1.6. Stick with 1.6

http://www.statowl.com/java.php

http://www.oracle.com/technetwork/java/javase/downloads/index.html