To those who say Karachi city a transporter of goods has 65% revenue - LOL
Facts as per link are :
Punjab had a GDP of
over $200 billion which has steadily continued to grow. It is featured well within the list of country subdivisions with a GDP over $100 billion.
Sindh's GDP with $83 billion is to a large extent influenced by the economy of Karachi, its capital and Pakistan's largest city.
en.wikipedia.org
Punjab had the largest economy and revenue collector in Pakistan (contributing 57% to Pakistan's GDP), followed by Sindh (27.5%), Khyber Pakhtunkhwa (8%) and Balochistan (3%). Islamabad, the capital entity, contributes 1%; while FATA contribute 1.5%. So Karachi contribution is far far less than rest of Pakistan!
Why is Karachi developed and rest of Sindh, interior Sindh still living in most backward, stone age era of 500 years old still.
South Punjab is still much much ahead than Sindh, Balochistan, GB combined! South Punjab has an economy of over I just came back last month from DG Khan, Multan and Bhawalpur, and Multan is the most striving economic, South Punjab itself have a much bigger economy than interior Sindh, Balochistan , FATA and part of KPK combined, much ahead, South Punjab economy is much much bigger in revenue and economy than GB.