A recent international assessment for 2025 has recognized six researchers from the Royan Institute in Iran among the world’s top 2% of scientists. The Royan Institute is affiliated with the Academic Center for Education, Culture and Research (ACECR) in Iran. This ranking is based on a comprehensive evaluation of researchers’ scientific performance globally. The assessment highlights the significant contributions these Iranian scientists are making to their respective fields. This achievement underscores the growing scientific capabilities within Iran and the Royan Institute’s commitment to research excellence. The recognition positions these researchers as leaders in the international scientific community. Further details regarding the specific fields of research were not provided in the source material.