The year International Mother Language Day began 1999 The number of languages in the world 6,500 The percentage of languages at risk 43 The date of International Mother Language Day 21 The percentage of people who are unable to learn using their first language 40 The year when the theme of the day was sign language and Braille 2005 http://500ab102e3079df093a4-ff8eeadd950d51fd1fc939dca75b3973.r47.cf1.rackcdn.com/assets_default.swf