There are approximately 5,250 people in the world with the name Tickle. It is most prevalent in the USA and UK, each of which has over 2,000 people bearing the surname. The UK figure is currently around 2,320, making the surname the 4,011th most common.
This means that, out of every million people in the UK, about 37 will have the surname Tickle.
In addition, approximately 1750 people have a surname that is one of the main variants, of which about 910 are Tickells, mainly in the UK, Australia and the US.