Khyber Pakhtunkhwa Data

Pakistan's Smallest but the most Homogeneous province is Khyber Pakhtunkhwa 

Province	Largest Language	Second Largest Language
Khyber Pakhtukhwa	80% Pashto	10% Hindko
Punjab	70% Punjabi	20% Saraiki
Sindh	62% Sindhi	18% Urdu
Baluchistan	35.5% Balochi	35.3% Pashto