Transparency Adherence Index - Last updated on July 29th, 2025

The Transparency Adherence Index measures the extent to which countries are adhering to current biennial reporting requirements under the United Nations Framework Convention on Climate Change (UNFCCC) according to a methodology detailed in Weikmans, R., & Gupta, A. (2021). Assessing state compliance with multilateral climate transparency requirements: ‘Transparency Adherence Indices’ and their research and policy implications. Climate Policy, 21(5), 635–651. https://doi.org/10.1080/14693062.2021.1895705