Group 1 - The China Association for Science and Technology (CAST) reported a total of 129,000 associations nationwide as of December 2024 [1] - The 10th National Congress of CAST had 1,390 representatives, with 219 national scientific societies and 7.183 million individual members [1] - There are 3,202 local associations at the provincial, municipal, and county levels, with a total of 376,000 representatives [1] Group 2 - The national system manages 1,150 science popularization venues, 763 mobile science museums, and 1,350 science outreach vehicles, serving 150 million people throughout the year [2] - A total of 901,000 science popularization activities were held online and offline, with 1.69 million science communication websites and 3,713 WeChat public accounts [2] - There are 199.7 million part-time and full-time science communicators, and 516.6 million science volunteers engaged in various activities [2]