Pakistan is a federal parliamentary republic with a population of over 196 million. It is bordered by Afghanistan to the north and east, Iran and India to the south, and the Arabian Sea to the west. The official language of Pakistan is Urdu, which is also the national and official religion. The Constitution of Pakistan provides for a pluralistic society, and Muslims are compulsory members of the country's political institutions. Pakistan has a rich culture that has been influenced by its Muslim majority, Hindu community, and British colonial legacy. The country's economy is dominated by agriculture and services. Pakistan has nuclear weapons capability.