The overwhelming majority of Lahore and West Punjab's non-Christian minority population fled to India at Partition, while East Punjab was similarly depopulated of almost its entire Muslim population. For example, on the eve of Partition, Amritsar was about 49% Muslim, whereas in the 1951 census, the figure had dropped to only 0.52%, while Ludhiana was 63% Muslim prior to Partition, but 97% Hindu and Sikh in the 1961 census.
The vast majority of Lahore and West Punjab's non-Christian minority population migrated to India at Partition, while East Punjab experienced a similar decline in its Muslim population. For instance, on the eve of Partition, Amritsar was approximately 49% Muslim, whereas by the 1951 census, this figure had decreased to just 0.52%, whereas Ludhiana was around 63% Muslim prior to Partition, but 97% Hindu and Sikh in the 1961 census.