Speaking up to save Bangladesh's indigenous languages from dying About 45 indigenous groups with an estimated population of three million have distinct languages and cultures Bangladesh's indigenous languages are under threat and some could die without positive action to preserve them. Catholic and ethnic community leaders have called on authorities to protect several indigenous languages that face extinction due to a lack of government support and community efforts. The call was made as people, irrespective of faith and ethnicity in Bangladesh and across the globe, marked the United Nations-designated International Mother Language Day on Feb. 21. Subscribe to your daily free newsletter from UCA News