Average size of women’s butts around the world revealed: US fails to crack top 5 and UK is nowhere near top

America has a reputation for plastic surgery and obesity, but South African women have the biggest backsides, data collected by market research company GitNux found. The US took sixth place.America has a reputation for plastic surgery and obesity, but South African women have the biggest backsides, data collected by market research company GitNux found. The US took sixth place.Read MoreHealth News | Mail Online