Köppen-Geiger classification identifies ten climate types in Iran, with Bwh, Bsk, Csa, Bsh, and Bwk covering over 98%. 1 Country Group A:1 is a list of the Wassenaar Arrangement Participating States, except for Malta, Russia and Ukraine. It is the 18th most populous country in the world with a population of approximately 82 million people. In terms of total land area, Iran is the 2nd largest. This study introduces the climates of Iran defined by Köppen-Geiger, Feddema's, and UNPEP classifications that applied to a high-resolution ground-based gridded data set relative to the 1985–2017 period. Ten Köppen-Geiger climate types were found for Iran, from which Bwh, Bsk, Csa, Bsh, and Bwk. Iran has joined two technical treaties under the World Intellectual Property Organization (WIPO) to align its patent and trademark classification systems with global standards, a move that still does not place the country within the international copyright protection system. Iran's ambassador to. Please note: Regions in this table include economies at all income levels. The term country, used interchangeably with economy, does not imply political independence but refers to any territory for which authorities report separate social or economic statistics. The World Bank, July 1, 2026, www.