World Statistics Day is held every five years on October 20th. The day celebrates the achievements of the Fundamental Principles of Official Statistics.

Statistics involves the collection, analyzing, and interpreting large amounts of numerical data. Statistics are vital. This field of mathematics allows scientists to make new discoveries. It helps industries make safer products. Pharmacists develop more effective medications when using statistics. When predicting the weather, meteorologists rely on statistics to be accurate. Even investors make better financial decisions thanks to statistics.

Virtually every industry in the world benefits from statistical research and data. Individuals also use statistics for a variety of reasons. Statistics help to prove facts and make important decisions. Statistics also play an essential role in tracking trends and finding patterns.

For all these reasons, statistics deserve a celebration.

HOW TO OBSERVE #WorldStatisticsDay

Over 100 countries celebrate World Statistics Day. On this day, the global statistical community showcases achievements and ongoing work in this field. A variety of industries gives statistical reports.

Think about how often you use statistics during the day. Do you make financial decisions? Do you check the weather? Do you prepare food? If so, there’s a good chance that statistics help make these tasks easier. Even though you might not see a direct correlation, statistics are bound to influence your everyday life.

“Statistics is the grammar of science.” Karl Pearson

Other ways to observe this day include:

  • Learn more about the mathematical field of statistics
  • Watch a movie about the value of statistics. A few good ones include Moneyball and Statistics.
  • Take a statistics quiz.

Share on social media with #WorldStatisticsDay


The United Nations Statistical Commission was established in 1947. This commission brings together the Chief Statisticians from member states around the world. The primary function of the Statistical Commission is to set statistical standards. Additionally, the commission develops statistical concepts and methods at the national and international levels. In 1994 the Statistical Commission adopted the Fundamental Principles of Official Statistics.

On October 20, 2010, the Statistical Commission proposed to celebrate the first World Statistics Day. In 2012, it was decided the celebration would be observed every five years.

Past themes for World Statistics Day have included:

  • 2010: Celebrating the Many Achievements in Statistics
  • 2015: Better Data, Better Lives

The next World Statistics Day will be observed in 2020.