Tianjin is the largest coastal city in northern China. In terms of urban population, Tianjin is the fourth largest in China, after Shanghai, Beijing, and Guangzhou. In terms of administrative area population, Tianjin ranks fifth in Mainland China. The walled city of Tianjin was built in 1404. As a treaty port since 1860, Tianjin has been a major seaport and gateway to Beijing. During the Boxer Rebellion the city was the seat of the Tianjin Provisional Government. Under the Qing dynasty and the Republic of China, Tianjin became one of the largest cities in the region. At that time, numerous European-style
Ethnic minorities in China according to a 2005 sampling, constitute about 91.9% of the total population. The next largest ethnic groups in terms of population include the Zhuang (18 million), Manchu (15 million), Hui (10 million), Miao (9 million), Uyghur (8 million), Yi (7.8 million), Tujia (8 million), Mongols (5.8 million), Tibetans (5.4 million), Buyei (3 million), Yao (3.1 million), and Koreans (2.5 million). Minority populations are growing fast due to their being unaffected by the One Child Policy. The PRC's Constitution and laws guarantee equal rights to all ethnic groups in China and help promote ethnic minority groups' economic and cultural development One