Every year, the National Statistics Day observed on June 29 across the country. The Statistics Day is celebrated in India to commemorate the birth anniversary of Prasanta Chandra Mahalanobis. He is a world-renowned statistician and acclaimed for his contributions in the field of economic planning and statistical development. In recognition of Prasanta Chandra Mahalanobis contributions, the Govt of India decided to celebrate June 29 as National Statistics Day.

The Government of India decided to celebrate Prof. Prasanta Chandra Mahalanobis birthday (29 June) as National Statistics Day. A notification was published in the Gazette of India on June 5, 2007. The day is celebrated by holding seminars, discussions and competitions to highlights the importance of official statistics in national development.
| Year | National Statistics Day Theme |
| 2021 | "Sustainable Development Goal (SDG)- 2 (End Hunger, Achieve Food Security and Improved Nutrition and Promote Sustainable Agriculture)" |
| 2020 | "Good Health and Well Being and Gender Equality" |
| 2019 | "Sustainable Development Goals (SDGs)" |
Indian Government has decided to celebrate National Statistics Day on the birth anniversary of Late Professor Prasanta Chandra Mahalanobis to commemorate his efforts in the field of economic planning and statistics. On June 5, 2007, the government has issued a gazette notification to celebrate the first National Statistics Day.
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