The official theme for Commonwealth Day 2026, celebrated on the second Monday of March, is "Accelerating Partnerships and Investment," announced alongside the CHOGM 2026 in Antigua & Barbuda, focusing on building bridges for prosperity, while the theme for the preceding year (2025) was "Together We Thrive," emphasizing unity and shared values, so while "Together We Thrive" was recent, the upcoming theme for 2026 is about fostering growth and collaboration.