Drupal 8 was released on Nov 19th, 2015. Though Drupal 6 end of life was declared on February 24th, 2016, there are still over 84,845 Drupal 6 websites on the web.
What does end of Life Mean for Drupal 6?
As per Drupal 6 end of life, the security team will no longer provide support or security advisories for Drupal 6 and the core of Drupal 6 will no longer receive community support.