In Japan what percentage of the population speak Japanese as their first language ?
Around 44 % speak Punjabi , 15.5 % speak Pashto , 15.5 % speak Sindhi , 10.5 % Saraiki , 7.5 % Urdu , 3.5 % Balochi , and 3.5 % other languages ( Hindko , Brahui etc. )