Climate
Arequipa logs 0 outdoor-dinner months a year to Tacna's 5 — Tacna wins by 5. Tacna also leads on sunny days by 34.
Arequipa
Feels-like °C
Dinner outside
Tacna
Feels-like °C
Dinner outside
Cost of Living
Arequipa averages $828/mo for balanced living; Tacna has no cost baseline yet.
Arequipa
$828monthly · balanced
Mobility
Arequipa scores 1.4 on mobility (0–5 scale); Tacna has no mobility baseline.
Culture
Arequipa's culture score of 1.3 sits well above Tacna's 0.0.
Nature & Outdoors
Arequipa scores 3.3 on nature & outdoors (0–5 scale); Tacna has no nature & outdoors baseline.
Safety
Arequipa scores 2.2 on safety (0–5 scale); Tacna has no safety baseline.
Career
Arequipa scores 2.0 on career (0–5 scale); Tacna has no career baseline.
Social & Community
Arequipa scores 2.4 on social & community (0–5 scale); Tacna has no social & community baseline.
Food & Dining
Arequipa scores 2.0 on food & dining (0–5 scale); Tacna has no food & dining baseline.
Family
Arequipa scores 1.5 on family (0–5 scale); Tacna has no family baseline.
Healthcare
Arequipa scores 1.7 on healthcare (0–5 scale); Tacna has no healthcare baseline.
Air Quality
Arequipa averages 15.1 µg/m³ (sensitive-groups) PM2.5 annually versus Tacna's 15.3 µg/m³ (sensitive-groups) — Arequipa breathes ~2% cleaner air (0.2 µg/m³ lower).
Arequipa
Tacna
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.
Arequipa (1.0M) and Tacna (342K) are 2.9x in population — Arequipa is the larger metro, Tacna the smaller; on land area Arequipa spans roughly 3.5x more ground.
Arequipa is roughly 3.2x the scale of Tacna
Combined population & area comparison
City Scale Rankings
Arequipa
Tacna
Who Thrives Here
Arequipa is the stronger fit for the mountain seeker. Both cities work well for the winter escapist.
Also compared
Frequently asked about Arequipa vs Tacna
▶Which is cheaper, Arequipa or Tacna?
▶How does the climate compare between Arequipa and Tacna?
▶Is Arequipa or Tacna safer?
▶Should I move to Arequipa or Tacna?
The best city depends on what matters to you
This comparison shows how Arequipa and Tacna stack up on the data. But your climate preferences, budget, career needs, and lifestyle priorities can shift the picture entirely. A personalized diagnostic finds what fits your life.
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