by Dr Rizwan Yousuf
The occasion serves to honour the legacy of Professor Prasanta Chandra Mahalanobis by promoting the strengthening of statistical institutions and advancing the integration of data science into strategies for national development.

In India, National Statistics Day is observed on June 29 to honour the birth anniversary of Professor Prasanta Chandra Mahalanobis, widely regarded as the father of modern statistical systems in the country. The day serves to recognise his pioneering contributions to statistics and his role in shaping India’s approach to economic planning and policy formulation. Among his key achievements are the development of the Mahalanobis distance and his involvement in designing the country’s Five-Year Plans. First commemorated in 2007, the observance aims to foster public understanding of the relevance of statistics in shaping national policy, promoting development, and ensuring effective governance.
Each year, the Ministry of Statistics and Programme Implementation (MoSPI) conducts seminars, workshops, and competitions to promote statistical literacy across the country. These events are anchored by an annual theme that draws attention to data-centric issues central to national development. By highlighting the role of statistics in planning and public policy, National Statistics Day encourages an evidence-based approach to governance, decision-making, and accountability.
The observance of June 29 as National Statistics Day underlines the enduring legacy of Professor Mahalanobis and the centrality of statistics in contemporary society. It seeks to raise awareness about the critical role data plays in sectors such as health, education, agriculture, the environment, and economic planning. Reliable statistical inputs support policymakers in making informed decisions, monitoring programme outcomes, and evaluating the effectiveness of interventions. Transparent governance increasingly depends on the accuracy and timeliness of data, which guides resource allocation and underpins development strategies.
By establishing the day through a formal government declaration in 2007, India signalled the importance of integrating statistical thinking into the public consciousness. Observances by MoSPI and affiliated institutions, often through public discussions and academic engagement, bring these themes to the forefront. The day also serves as a source of inspiration for students and young professionals to pursue careers in statistics and data science. In commemorating the intellectual legacy of Professor Mahalanobis, National Statistics Day reinforces the idea that robust statistical systems are essential for achieving inclusive growth and sustainable development.
Statistics play a foundational role in governance. They offer a framework through which government policy, planning, and decisions can be grounded in verifiable evidence. National Statistics Day draws attention to the indispensable value of accurate, timely data in the administration of public affairs. Whether it involves monitoring population dynamics, employment trends, or the outcomes of health and education initiatives, statistics enable decision-makers to manage development efforts with clarity and efficiency. Through this annual observance, India affirms the critical role of data in shaping a transparent, responsive, and informed system of governance.
Census operations, national sample surveys, and the estimation of gross domestic product are among the key instruments through which development is monitored and inequalities are addressed. This approach to governance not only ensures that those in positions of power are held accountable but also makes space for the adjustment and refinement of public interventions. The observance of National Statistics Day highlights the importance of these statistical mechanisms in realising inclusive growth across central and state governments. The occasion serves to honour the legacy of Professor Prasanta Chandra Mahalanobis by promoting the strengthening of statistical institutions and advancing the integration of data science into strategies for national development.
At the level of local communities, the role of statistics is no less significant. Social planning and development efforts are shaped by survey findings and census data, which determine where essential services such as schools, hospitals, roads, and housing should be located. These datasets help in identifying regions that remain underserved, assessing poverty levels, and gauging the reach and impact of social welfare schemes. In the absence of reliable statistical inputs, attempts to reduce inequality and support inclusive development would lack direction and effectiveness.
National Statistics Day, therefore, is not a mere formality. It serves as a reminder of the essential role that statistical knowledge plays in governance, in enabling citizens to participate meaningfully in public life, and in promoting transparency. It brings attention to the need for statistical literacy among the general population, encouraging a mindset that not only places trust in data-driven decisions but also engages critically with them. In an environment saturated with information, the ability to understand and assess data becomes vital to resisting misinformation and making decisions that are both rational and ethically sound.
The observance of this day also reinforces the need for precision, transparency, and impartiality in the processes through which data is collected and communicated. This becomes especially urgent during crises such as natural disasters or public health emergencies, where prompt and accurate statistical reporting can be the difference between life and death.
The importance of National Statistics Day lies in its assertion that statistics is not a static academic discipline but a living element of everyday decision-making and governance. Whether in monitoring personal health indicators, interpreting political surveys, managing household finances, or participating in civic discussions, the presence of statistics is constant and consequential. Acknowledging this helps to cultivate a public culture that values reasoned analysis and informed decision-making.
(The writer is currently working as an Assistant Professor at the University Institute of Science, Chandigarh University. Ideas are personal.)
















