Just 22% of WordPress Sites are kept current

A quick look at the Wordpress stats page shows only 22% of WordPress sites are running the current WordPress version (4.9.1).  This is a security release and upgrading is recommended
7 December 2017 | Digital Business

It is essential you keep your site up to date with the latest recommended version to remain secure

A quick look at the WordPress stats page shows only 22% of WordPress sites are running the current WordPress version (4.9.1).

This is a security release and upgrading is recommended

Have you upgraded yet?  If not, why not?

See more at WordPress: httpss://wordpress.org/about/stats/