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
21,741,000
20
4
20,937,757
34
5
16,787,941
24
6
15,701,602
70
7
14,910,352
21
8
14,043,500
43
9
13,866,009
39
10
13,613,660
77
11
12,748,262
40
12
12,600,574
31
13
12,528,300
51
14
12,450,000
38
15
12,442,373
36
16
12,183,280
32
17
11,437,217
32
18
11,337,563
36
19
11,235,086
31
20
11,126,285
23
21
10,360,000
47
22
10,071,722
35
23
10,009,854
53
24
9,509,458
78
25
9,498,863
36
26
9,456,700
38
27
9,413,990
30
28
9,369,881
35
29
9,314,685
39
30
9,300,000
29

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.