In 1936, Life magazine estimated that six per cent of the American population had at least one tattoo.

In 2000, National Geographic reported that 15 per cent of the population (nearly 40 million people) were sporting tattoos.

Around 40 per cent of people born between the years 1966 and 1980 have at least one tattoo, according to a 2006 Pew Research Center survey

Fifteen per cent of 18- to 25-year-olds think that the increase in the number of people getting tattooed has caused a positive impact (Pew Research Center, 2010)

There are an estimated 20,000 tattoo studios operating south of the border, according to U.S. News & World Report.