Second tier cities. Xiamen ranks the top 20 in the country in terms of administration, the fourth in housing prices, the 24th in urban population, the GDP of 31(the gap is 20 billion), the 26th in per capita GDP (the 20th after deducting several oil cities) and the 83rd in population. Jones Lang LaSalle recently released the "60 Big Cities in China" report, which is based on GDP and population. Richness, investment, retail sales, residents' savings and educational infrastructure, land transfer and the number of retailers are variables for evaluating and ranking 287 cities in China, among which Xiamen is listed as a second-tier city.