Modern Estonia is a multinational country in which 109 languages are spoken, according to a 2000 census. 67.3% of Estonian citizens speak Estonian as their native language, 29.7% Russian, and 3% speak other languages. , 84.1% of Estonian residents are Estonian citizens, 8.6% are citizens of other countries and 7.3% are "citizens with undetermined citizenship". Since 1992, roughly 140,000 people have acquired Estonian citizenship by passing naturalisation exams. Estonia has also accepted quota refugees under the migrant plan agreed upon by EU member states in 2015.