Generated: 2026-06-22
This report documents the cleanup of census_to_jp_mapping.json → v2, removing false positive mappings between Chinese census ethnic groups and Joshua Project people groups.
Census population: 1,602,104 | JP population estimate: 25,352,200 | JP groups after cleanup: 7
Removed (25): Anglo-Australian, Baheng, Liping, Hui, Muslim Chinese, Lalu, Yangliu, Limi, Limin, Lingao, Linghua, Lipo, Eastern, Lipo, Western, Lisu, Liude, Liujia, Malimasa, Miao, Liupanshui, Mili, Mongolian, Peripheral, Nepali, general, Nosu, Xiaoliangshan, Qiang, Cimulin, Tajik, Sarikoli, Uygur, Taklimakan, Zhuang, Lianshan, Zhuang, Liujiang, Zhuang, Liuqian
Rationale: Removed cross-ethnic false positives (Anglo-Australian, Hui, Nepali, Uygur, Mongolian, Miao, Nosu, Qiang, Tajik, Zhuang) and non-Li groups. Kept Li subgroups (Bendi, Ha, Jiamao, Meifu, Qi) and Aling/Liwu.
Census population: 36,575 | JP population estimate: 2,183,600 | JP groups after cleanup: 10
Removed (9): Ainu (China), Bunu, Bunun, Jinuo, Jinuo, Buyuan, Nosu, Yinuo, Nubra, Tai Nua, Uygur, Lop Nur
Rationale: Removed obvious false positives: Ainu (China), Bunun (Taiwan), Bunu (Yao), Jinuo (separate ethnic group), Nosu (Yi), Tai Nua, Uygur. Kept Nu subgroups.
Census population: 11,067,929 | JP population estimate: 4,369,500 | JP groups after cleanup: 29
Removed (1): A-Hmao
Rationale: All 30 mappings are Hmong/Miao subgroups. Linguistically valid - kept all. No obvious non-Miao groups found.
Census population: 1,284,446,389 | JP population estimate: 1,285,058,600 | JP groups after cleanup: 21
Removed (3): Buriat, Chinese, Hui, Muslim Chinese, You Tai, Chinese Jewish
Rationale: Removed cross-ethnic mappings: Buriat (Mongolian), Hui (separate Muslim ethnic group), You Tai (Chinese Jewish - distinct identity). Kept all Han Chinese dialect groups.
Census population: 11,377,914 | JP population estimate: 22,880,000 | JP groups after cleanup: 3
Removed (12): Han Chinese, Hui'an, Han Chinese, Huizhou, Miao, Huishui Central, Miao, Huishui Eastern, Miao, Huishui Northern, Miao, Huishui Southwestern, Miao, Liupanshui, Nisu, Jianshui, Nosu, Shuixi, Shui, Yunnan, Zhuang, Central Hongshuihe, Zhuang, Eastern Hongshuihe
Rationale: Removed Han Chinese dialects, Miao groups, Nisu (Yi), Nosu (Yi), Shui groups, and Zhuang groups. Kept Hui core group and Lopi/Shuitian.
Census population: 9,830,327 | JP population estimate: 3,714,700 | JP groups after cleanup: 16
Removed (1): Jiarong, Guanyingqiao
Rationale: Removed Jiarong (distinct ethnic group). Kept all Nosu/Yi subgroups.
Census population: 19,568,546 | JP population estimate: 19,708,000 | JP groups after cleanup: 17
Rationale: All 17 mappings are Zhuang subgroups or closely related (Bouyei). Kept all.
Census population: 1,329,985 | JP population estimate: 2,360,200 | JP groups after cleanup: 4
Removed (10): Miao, Mashan Central, Miao, Mashan Northern, Miao, Mashan Southern, Miao, Mashan Western, Nosu, Xiaoliangshan, Qiang, Dajishan, Tibetan, Shangri La, Tibetan, Shanyan, Zhuang, Dai, Zhuang, Lianshan
Rationale: Removed Miao, Nosu, Qiang, Tibetan, and Zhuang groups. Kept Dai-related groups (Daizhan, Jiarong, Shangzhai, Tai Lue, Tai Nua).
Census population: 430,977 | JP population estimate: 1,212,700 | JP groups after cleanup: 9
Removed (5): Han Chinese, Waxiang, Monpa Tawang, Paiwanese, Rawang, Tuvan
Rationale: Removed Han Chinese (Waxiang), Monpa, Paiwanese (Taiwan), Rawang, Tuvan. Kept Wa subgroups and related groups.
Census population: 7,060,731 | JP population estimate: 3,234,300 | JP groups after cleanup: 12
Rationale: All 12 mappings are Tibetan subgroups. Kept all.
Census population: 495,928 | JP population estimate: 3,746,000 | JP groups after cleanup: 2
Removed (10): Miao, Huishui Central, Miao, Huishui Eastern, Miao, Huishui Northern, Miao, Huishui Southwestern, Miao, Liupanshui, Nisu, Jianshui, Nosu, Shuixi, Shui, Yunnan, Zhuang, Central Hongshuihe, Zhuang, Eastern Hongshuihe
Rationale: Removed Miao, Nisu, Nosu, Shui, and Zhuang groups. Kept Lopi/Shuitian (Sui-related).
Census population: 281,928 | JP population estimate: 10,388,700 | JP groups after cleanup: 4
Removed (8): Akto Turkmen, Nosu, Butuo, Tujia, Tulao, Tusa, Tuvan, Tuwo, Wutun
Rationale: Removed non-Tu groups. Kept Monguor and Tu-related subgroups.