Pakistan, officially the Islamic Republic of Pakistan, stands as one of the most consequential nations in South Asia — and indeed in the wider world — by virtue of its size, strategic location, demographic weight, and historical depth. As of 2023, it is the fifth-most populous country on Earth, with a population exceeding 241.5 million people, and holds the distinction of having the second-largest Muslim population of any nation. Its capital is Islamabad, a planned city built in the 1960s, while Karachi serves as the country's largest metropolis and its financial engine. Covering an area that makes it the 33rd-largest country in the world, Pakistan occupies a geographic crossroads of extraordinary significance.
The country's borders tell the story of a region defined by geography and geopolitics in equal measure. To the south lies the Arabian Sea; to the southwest, the Gulf of Oman; and to the southeast, the Sir Creek. Pakistan shares land borders with India to the east, Afghanistan to the west, Iran to the southwest, and China to the northeast. A maritime boundary with Oman exists in the Gulf of Oman, and the country is separated from Tajikistan in the northwest only by Afghanistan's narrow Wakhan Corridor, a slender strip of territory that has historically served as both a buffer and a passage between Central and South Asia.
The territory that comprises modern Pakistan is among the most historically layered on the planet. The region harbours some of humanity's earliest settled communities, including the Neolithic site of Mehrgarh in Balochistan, which dates back approximately 8,500 years. The Bronze Age gave rise to the Indus Valley Civilisation, one of the ancient world's great urban cultures, whose cities at Mohenjo-daro and Harappa demonstrate sophisticated urban planning and trade networks. The ancient Gandhara civilisation, centred in the northwestern region, became a major hub of Buddhist art and Hellenistic influence following Alexander the Great's campaigns. Over subsequent millennia, the region passed through the hands of the Achaemenid, Maurya, Kushan, and Gupta empires, the Umayyad Caliphate, the Hindu Shahis, the Ghaznavids, the Delhi Sultanate, the Samma, the Shah Miris, the Mughals, and ultimately the British Raj, which controlled the territory from 1858 until 1947.
The name Pakistan itself was coined by Choudhry Rahmat Ali, an activist of the Pakistan Movement, who first published it in January 1933 — originally spelled "Pakstan" — in a pamphlet titled Now or Never. Rahmat Ali designed the name as an acronym drawing on the names of the Muslim-majority regions he envisioned as its constituent parts: Punjab, Afghania, Kashmir, Sindh, and Baluchistan. He also explained that the word carried independent meaning, noting that it derived from the Persian and Urdu word "pāk," meaning spiritually pure or clean, combined with the Persian suffix "-stan," meaning land or place of. His vision at the time applied only to the northwestern part of the subcontinent; he separately proposed "Banglastan" for the Muslim areas of Bengal and "Osmanistan" for Hyderabad State.
Pakistan achieved independence on 14 August 1947 following the partition of British India, which was the culmination of the Pakistan Movement and the election victories of the All-India Muslim League in 1946. The partition was accompanied by one of the largest forced migrations in human history, as millions of Muslims moved to Pakistan and millions of Hindus and Sikhs moved in the opposite direction. The human cost was catastrophic; the violence that accompanied partition claimed hundreds of thousands of lives. Pakistan initially became a dominion within the British Commonwealth and adopted a republican constitution in 1956, at which point it formally became an Islamic republic. The new nation contained two geographically separate territories: West Pakistan, which constitutes the present-day country, and East Pakistan, separated from West Pakistan by more than 1,500 kilometres of Indian territory.
The political history of Pakistan since independence has been turbulent. Civilian governments have alternated with military rule through multiple cycles. East Pakistan seceded in 1971, after a nine-month civil war, to become the independent nation of Bangladesh. Pakistan conducted its first nuclear weapons tests in 1998, confirming its status as a declared nuclear-weapons state. The country maintains the world's seventh-largest standing armed forces and is considered a middle power of significance in regional and global affairs.
Today Pakistan is a member of the United Nations, the Shanghai Cooperation Organisation, the Organisation of Islamic Cooperation, the Commonwealth of Nations, and the South Asian Association for Regional Cooperation. The United States has designated it a major non-NATO ally. Its economy is counted among the world's emerging and growth-leading economies, with a large and rapidly expanding middle class, though the country continues to grapple with persistent poverty, illiteracy, corruption, and terrorism. It remains an ethnically and linguistically diverse nation with a rich cultural heritage that stretches back to the very origins of human civilisation.
