 The highest concentrations among girls aged 0–14 were in Gambia (56 percent), Mauritania (54 percent), Indonesia (49 percent for 0–11) and Guinea (46 percent).The figures suggest that a girl was one third less likely in 2014 to undergo FGM than she was 30 years ago.According to a 2018 study published in "BMJ Global Health", the prevalence within the 0–14 year old group fell in East Africa from 71.4 percent in 1995 to 8 percent in 2016; in North Africa from 57.7 percent in 1990 to 14.1 percent in 2015; and in West Africa from 73.6 percent in 1996 to 25.4 percent in 2017.