Because you only know about your region. You don't read newspapers to know anything regarding what's happening around the world. You don't need to join this conversation if you live outside of the EU
Why to ask such strange questions? How do you imagine such thing? Why EU would need to accept country from South Asia and why Pakistan would need to join EU? It's not how things works in politics.
Pakistan who holds around 30-40% of worlds politics. Pakistan has a very strong role in Politics around the world.
Forget about USA, China, Russia, UK or Germany. Here comes Pakistan - most powerful country in the world.