English is spoken by approximately 375 million people as their first language. English is probably the third largest language by number of native speakers. However, when combining native and non-native speakers it is probably the most commonly spoken language in the world.
Bulgarian is spoken by 12 million people in total. It is the official language of Bulgaria, but it is also often used in Bulgarian communities in Greece, Macedonia, Serbia, Turkey, Ukraine, Moldova, Albania, Kosovo and more countries.
Bulgarian is written in the Cyrillic alphabet.