India celebrates National Statistics Day 2025 on June 29 to honor P.C. Mahalanobis. The 2025 theme, “75 Years of National Sample Survey,” highlights the role of data in governance, policy, and development in today’s statistics-driven era.
theIAShub | 28 Jun, 2025 | 6267 | 0 |
India celebrates National Statistics Day every year on June 29, a date that coincides with the birth anniversary of the eminent statistician Prof. Prasanta Chandra Mahalanobis. The purpose of the day is to recognize the value of statistics in shaping national policy and to raise awareness about the importance of data in governance, economy, and society. National Statistics Day in India was first celebrated in 2007, making 2025 the 19th Statistics Day observance.
Over the years, the day has become a platform for discussing the use of statistical tools in solving contemporary challenges and promoting data literacy among students, researchers, and policymakers. The theme for National Statistics Day 2025 is “75 Years of National Sample Survey.”
It marks the NSS’s vital role in providing reliable data for evidence-based decision-making and governance in India.
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The celebration of National Statistics Day began in 2007 when the Government of India officially designated June 29 as the day to commemorate the work of P.C. Mahalanobis. The decision aimed to highlight the significance of statistics in national planning and policy decisions. Since then, the event has grown in scope and impact, drawing participation from educational institutions, government agencies, and international organizations.
Each year, a theme is selected that aligns with current national objectives. These themes have focused on sustainable development, agricultural statistics, socio-economic data, and more recently, evidence-based policymaking.
Prof. P.C. Mahalanobis (1893–1972) is regarded as the father of modern statistics in India. He made pioneering contributions to the field, many of which remain relevant in today’s data-centric world.
| Contribution | Description |
| Mahalanobis Distance | A statistical measure used in multivariate analysis for detecting patterns and classifying data sets. Widely used in machine learning and AI. |
| National Sample Survey (NSS) | Introduced large-scale sample survey techniques to collect socio-economic and demographic data. |
| Indian Statistical Institute (ISI) | Founded in 1931, ISI became a world-renowned research institution for statistics and related disciplines. |
| Second Five-Year Plan | Played a key role in formulating India’s second plan using statistical models focused on industrial development. |
Through these initiatives, Mahalanobis institutionalized the use of statistics in governance, earning national and international acclaim. His legacy continues to shape how data is collected, interpreted, and used in India today.
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Following is the table mentioning different achieved milestones over the years:
| Year | Edition | Theme (if announced) | Notable Highlights |
| 2007 | 1st | Inaugural | Official recognition of Statistics Day in India |
| 2018 | 12th | Quality Assurance in Official Statistics | Emphasis on data quality |
| 2024 | 18th | Use of Data for Decision Making | Launch of data portals, progress report releases |
| 2025 | 19th | To be announced | New AI tools, enhanced data access platforms |
National Statistics Day 2025 theme for 2025 is “75 Years of National Sample Survey”, marking the significant contribution of the National Sample Survey in providing reliable and timely statistical data that supports evidence-based decision-making and governance in India
National Statistics Day is celebrated on June 29 each year. This fixed date ensures consistent nationwide recognition of P.C. Mahalanobis’s legacy and the enduring relevance of statistics in nation-building.
Activities on this day are organized across the country, including at educational institutions, statistical departments, and research organizations. Events often feature:
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The 19th Statistics Day in 2025 is expected to highlight India’s commitment to leveraging modern technologies for improving statistical systems. Several important initiatives are being aligned with this year’s celebrations:
| Initiative | Description | Launch/Update Date | Key Benefits |
| New Microdata Portal | A revamped portal offering improved accessibility to public datasets (survey/census data) with a user-friendly interface. | April 2025 | Enables students, researchers, and policymakers to download datasets for evidence-based analysis. |
| Revamped NSSTA Website | The National Statistical System Training Academy launched a new website to centralize statistical training resources. | 2025 | Enhances India’s statistical capacity to meet global standards. |
| AI-Powered Classification Tools | Introduced an AI tool for auto-classification of industrial codes to improve data collection accuracy and efficiency. | 2025 | Applies machine learning to official statistics, improving processing speed and reliability. |
| Sustainable Development Data | Upcoming reports on Sustainable Development Goals (SDGs) tracking India’s progress in health, education, and environment via statistical indicators. | Expected soon | Provides insights into India’s SDG progress, aiding policy formulation and monitoring. |
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For students, the National Statistics Day 2025 offers valuable opportunities to engage with real-world data and understand its importance in modern society. Through competitions, workshops, and exhibitions, students can:
Institutions often invite guest speakers from reputed universities and government departments to inspire students and discuss innovations in statistical science.
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With the 19th National Statistics Day 2025 approaching, the statistical community, educational institutions, and government agencies are preparing to mark the occasion with renewed vigor. The theme, once announced, will serve as a guiding framework for lectures, competitions, data releases, and outreach efforts.
In the coming years, as India moves towards becoming a global data powerhouse, the legacy of P.C. Mahalanobis will continue to inspire statisticians, economists, and data scientists. His vision—of using statistics for inclusive national development—is more relevant than ever.
The government announces the official theme each year in advance. The theme highlights the application of statistics in key sectors. For 2025, the theme will reflect current national priorities.
P.C. Mahalanobis is honored for his contributions to statistics. He was a key figure in the development of statistical infrastructure. His work laid the foundation for modern data systems in India.
National Statistics Day was first observed in 2007. It was introduced by the Government of India to promote statistical awareness. Since then, it has been celebrated annually on June 29.
It promotes understanding of statistics in planning and governance. The day also inspires students and researchers to pursue the field. It emphasizes evidence-based decision-making for development.
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