Most and Least Affordable Cities by City Size

Explore how affordability varies by city size around the world. This ranking compares the most and least affordable cities within small, mid-sized, and large population categories, helping you understand how urban scale impacts cost of living. Use the interactive table and map to filter cities by size group and compare Cost of Living Index values. Whether you're looking for a budget-friendly small city or evaluating affordability in major global hubs, this page provides a clear, data-driven comparison.

Rank
City
Population
Living Index
1
24,870,895
57
2
21,893,095
55
3
20,937,757
34
4
14,043,500
43
5
13,866,009
39
6
13,613,660
77
7
12,748,262
40
8
12,600,574
31
9
12,528,300
51
10
12,450,000
38
11
12,183,280
32
12
11,437,217
32
13
11,235,086
31
14
10,360,000
47
15
10,071,722
35
16
10,009,854
53
17
9,509,458
78
18
9,498,863
36
19
9,413,990
30
20
9,369,881
35
21
9,314,685
39
22
9,300,000
29
23
9,277,200
26
24
9,202,432
30
25
9,199,601
33
26
9,083,790
28
27
9,066,906
38
28
8,953,172
34
29
8,795,939
32
30
8,741,584
33

CityCost data is based on AI and user input – minor inaccuracies may occur.

Last update: August 25, 2026

Frequently Asked Questions
How is affordability determined in this ranking?
Affordability is based on the Cost of Living Index, which compares average expenses such as housing, food, transportation, and services. Cities are grouped by population size to allow fair comparisons within similar urban categories.
Why does city size affect cost of living?
Larger cities often have higher housing demand, stronger job markets, and greater infrastructure costs, which can increase living expenses. Smaller cities may offer lower housing and daily costs but sometimes fewer economic opportunities.
Should I choose a smaller city to save money?
Not always. While small cities are often more affordable, factors like salary levels, job availability, quality of life, and services should also be considered. This ranking helps you compare affordability within each city size category.