Celebrated every five years, with this year observance on October 20, 2024.

• First celebrated on October 20, 2010, following a UN General Assembly resolution.
• Theme for 2024: “Empowering Data for Sustainable Development,” focusing on the role of data in achieving the UN’s Sustainable Development Goals (SDGs).
• Aim : to raise awareness about the importance of reliable data in global policy-making and improving national welfare.