Table:
text: List of cities in the Far East by population
Largest urban agglomerations by population
Largest urban agglomerations by population
Rank_ City Population Country Area_km²
19 Chengdu 4961000 China 2130
20 Singapore 4837000 Singapore 690
21 Xi`an 4747000 China 3550
22 Nanjing 4591000 China 6600
23 Yangon 4350000 Burma 350
24 Harbin 4251000 China 4280
25 Hangzhou 3860000 China 3068
26 Changchun 3597000 China 3616
27 Shantou 3502000 China 1956
28 Busan 760 South Korea 760

Question: What is the rank of Busan among the largest urban agglomerations by population list of cities in the Far East?