Its up to the women's choice tbh
Most Pakistanis marry other Pakistanis
Pakistan was created becase the areas were majority muslim during British rule. If they weren't majority muslim Pakistan wouldn't exist.
It actually is a muslim one. When the Quran says a Muslim woman can only marry a Muslim male, it is indicating that race/tribe have no place in there. A deracialized society is the sole concept of Ummah
Can you specifically point out where in the Quran it explicitly tells you to race-mix?