参考数据：全球主要城市房地产价格指数

全部数据: https://www.numbeo.com/property-investment/rankings.jsp

ank	City	Price To Income Ratio	Gross Rental Yield City Centre	Gross Rental Yield Outside of Centre	Price To Rent Ratio City Centre	Price To Rent Ratio Outside Of City Centre	Mortgage As A Percentage Of Income	Affordability Index
1	Shenzhen, China	39.76	1.26	1.29	79.35	77.44	318.97	0.31
2	Hong Kong, Hong Kong	38.61	2.06	2.08	48.52	48.14	239.67	0.42
3	Beijing, China	37.80	1.59	1.91	62.81	52.32	299.14	0.33
4	Shanghai, China	36.91	2.00	1.91	50.05	52.31	290.04	0.34
5	Mumbai, India	31.58	2.18	2.85	45.78	35.03	365.99	0.27
6	Algiers, Algeria	27.13	2.68	3.33	37.35	30.07	227.45	0.44
7	London, United Kingdom	24.16	2.62	3.50	38.24	28.57	163.54	0.61
8	Lviv, Ukraine	23.33	4.74	6.91	21.07	14.46	545.37	0.18
9	Belgrade, Serbia	22.25	3.07	3.53	32.53	28.32	160.83	0.62
10	Singapore, Singapore	22.18	2.45	3.19	40.87	31.39	138.67	0.72