The World Record of ‘fastest to achieve one million twitter followers(Woman)’ has been achieved by Ms. Caitlyn Jenner from USA.

On June 01, 2015; Ms. Caitlyn achieved one million twitter followers in just 4 hours 3 minutes. Ms. Caitlyn’s account page (https://twitter.com/Caitlyn_Jenner) had first tweet at 12:17pm and by at 4:20pm it hit 1 million followers.