Climate
Istanbul logs 9 hot days a year to Mersin's 64 — Istanbul wins by 55. Mersin also leads on outdoor-dinner months by 3.
Istanbul
Feels-like °C
Dinner outside
Mersin
Feels-like °C
Dinner outside
Cost of Living
Istanbul averages $1,616/mo for balanced living; Mersin has no cost baseline yet.
Istanbul
$1,616monthly · balanced
Mobility
Istanbul scores 3.2 on mobility (0–5 scale); Mersin has no mobility baseline.
Culture
Istanbul's culture score of 4.2 sits well above Mersin's 0.0.
Nature & Outdoors
Istanbul scores 3.8 on nature & outdoors (0–5 scale); Mersin has no nature & outdoors baseline.
Safety
Istanbul scores 1.6 on safety (0–5 scale); Mersin has no safety baseline.
Career
Istanbul scores 3.8 on career (0–5 scale); Mersin has no career baseline.
Social & Community
Istanbul scores 3.6 on social & community (0–5 scale); Mersin has no social & community baseline.
Food & Dining
Istanbul scores 3.6 on food & dining (0–5 scale); Mersin has no food & dining baseline.
Family
Istanbul scores 2.9 on family (0–5 scale); Mersin has no family baseline.
Healthcare
Istanbul scores 4.1 on healthcare (0–5 scale); Mersin has no healthcare baseline.
Air Quality
Istanbul averages 18.7 µg/m³ (sensitive-groups) PM2.5 annually versus Mersin's 29.1 µg/m³ (unhealthy) — Istanbul breathes ~36% cleaner air (10.4 µg/m³ lower).
Istanbul
Mersin
PM2.5 annual average
WHO classification
City Scale
Both maps at the same real-world scale — 1 cm on either map is the same distance.
Istanbul (14.2M) and Mersin (655K) are 22x in population — Istanbul is the larger metro, Mersin the smaller; on land area Istanbul spans roughly 12x more ground.
Istanbul is roughly 16x the scale of Mersin
Combined population & area comparison
City Scale Rankings
Istanbul
Mersin
Who Thrives Here
Istanbul favours the big city energy, while Mersin suits the winter escapist. Both cities work well for the sunshine lover.
Also compared
Frequently asked about Istanbul vs Mersin
▶Which is cheaper, Istanbul or Mersin?
▶How does the climate compare between Istanbul and Mersin?
▶Is Istanbul or Mersin safer?
▶Should I move to Istanbul or Mersin?
The best city depends on what matters to you
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