The oldest census in Pakistan was held in:

🧠 Explanation:

Pakistan’s 1951 census, the first after independence, was crucial for understanding the new nation’s demographics. Recording about 51.8 million people, it revealed urban-rural divides and regional diversity. This data shaped policies on resource allocation, electoral boundaries, and development planning. Despite logistical hurdles, it established a baseline for future censuses, aiding governance in Pakistan’s formative years. The census highlighted the country’s diverse population, guiding economic and social strategies. Its legacy lies in providing a foundation for national planning, ensuring informed decision-making to support growth and stability in a newly sovereign state.