World Statistics Day
Data is the new language of truth — learn to read it.
About
World Statistics Day on October 20 celebrates the role of statistics in evidence-based policymaking, scientific progress, and informed citizenship. Statistics underpin every aspect of modern governance — from economic policy to public health decisions, climate modelling to election polling. In an era of misinformation, statistical literacy has become a critical life skill. The day is observed every five years (2010, 2015, 2020, 2025) and focuses on trustworthy, timely official statistics.
History
The first World Statistics Day was established by the United Nations Statistical Commission in 2010, drawing on the theme 'Service, Integrity, Professionalism.' The day is observed every five years to maintain its significance. National statistical offices, academic institutions, and international organisations mark the day with events promoting data literacy and the importance of reliable official statistics.
Where It's Observed
Cultural Context
US United States
The US Census Bureau and Bureau of Labour Statistics are cornerstones of American policymaking. World Statistics Day highlights data literacy debates, concerns about privacy in data collection, and the challenge of maintaining public trust in official statistics.
KR South Korea
Statistics Korea (KOSTAT) runs significant public engagement events around World Statistics Day. South Korea's advanced statistical systems support its sophisticated economic and social policy apparatus. The day promotes data literacy among students and civil servants.
JP Japan
Japan's Statistics Bureau is one of Asia's most respected data institutions. World Statistics Day in Japan focuses on the Census, economic indicators, and the growing field of big data and data science — connecting traditional official statistics with new analytical methods.
How to Participate
- 01Explore a public data visualisation tool like Our World in Data or Google Public Data
- 02Learn the difference between correlation and causation with a real example
- 03Find a statistic that surprised you this year and understand how it was collected
- 04Teach a child a basic statistical concept using everyday examples
Frequently asked questions
When is World Statistics Day?+
World Statistics Day is observed annually on October 20. The date is fixed each year — October 20 — and does not shift based on the lunar calendar or weekday.
What is World Statistics Day?+
World Statistics Day on October 20 celebrates the role of statistics in evidence-based policymaking, scientific progress, and informed citizenship. Statistics underpin every aspect of modern governance — from economic policy to public health decisions, climate modelling to election polling. In an er…
Is World Statistics Day a public holiday?+
World Statistics Day is an international observance or awareness day, not a public holiday in most countries. It does not typically result in days off work or school closures, though some countries and organisations hold official events.
How can I participate in World Statistics Day?+
Explore a public data visualisation tool like Our World in Data or Google Public Data Learn the difference between correlation and causation with a real example Find a statistic that surprised you this year and understand how it was collected These are some of the most accessible ways to engage with the day's purpose.
Which countries observe World Statistics Day?+
Global — United Nations Statistical Commission initiative.
Mark the date
Download a free printable calendar for 2026 and never miss World Statistics Day.