The study found that out of 168 cultures from around the world, 46 per cent of them kiss in the romantic sense. Pictured is the percentage of countries in which kissing is present, or lacking, in each region around the world

The study found that out of 168 cultures from around the world, 46 per cent of them kiss in the romantic sense. Pictured is the percentage of countries in which kissing is present, or lacking, in each region around the world