Climate
Birmingham logs 25 frost days a year to Portsmouth's 1 — Portsmouth wins by 24. Portsmouth also leads on sunny days by 57.
Birmingham
Feels-like °C
Dinner outside
Portsmouth
Feels-like °C
Dinner outside
Cost of Living
Birmingham averages $2,247/mo for balanced living; Portsmouth has no cost baseline yet.
Birmingham
$2,247monthly · balanced
Mobility
Birmingham scores 2.6 on mobility (0–5 scale); Portsmouth has no mobility baseline.
Culture
Birmingham's culture score of 3.7 sits well above Portsmouth's 0.0.
Nature & Outdoors
Birmingham scores 3.7 on nature & outdoors (0–5 scale); Portsmouth has no nature & outdoors baseline.
Safety
Birmingham scores 2.5 on safety (0–5 scale); Portsmouth has no safety baseline.
Career
Birmingham scores 3.4 on career (0–5 scale); Portsmouth has no career baseline.
Social & Community
Birmingham scores 3.6 on social & community (0–5 scale); Portsmouth has no social & community baseline.
Food & Dining
Birmingham scores 3.2 on food & dining (0–5 scale); Portsmouth has no food & dining baseline.
Family
Birmingham scores 3.0 on family (0–5 scale); Portsmouth has no family baseline.
Healthcare
Birmingham scores 3.4 on healthcare (0–5 scale); Portsmouth has no healthcare baseline.
Air Quality
Birmingham averages 8.1 µg/m³ (good) PM2.5 annually versus Portsmouth's 8.1 µg/m³ (good) — Birmingham breathes ~0% cleaner air (0.0 µg/m³ lower).
Birmingham
Portsmouth
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.
Birmingham (2.6M) and Portsmouth (480K) are 5.4x in population — Birmingham is the larger metro, Portsmouth the smaller; on land area Birmingham spans roughly 4.3x more ground.
Birmingham is roughly 4.9x the scale of Portsmouth
Combined population & area comparison
BirminghamPortsmouthCity Scale Rankings
Birmingham2.6M5.4xPortsmouth480K1xBirmingham685 km²4.3xPortsmouth158 km²1xBirmingham
Portsmouth
Who Thrives Here
Birmingham is the stronger fit for the english speaker. Both cities work well for the clean air seeker.
Also compared
Frequently asked about Birmingham vs Portsmouth
▶Which is cheaper, Birmingham or Portsmouth?
▶How does the climate compare between Birmingham and Portsmouth?
▶Is Birmingham or Portsmouth safer?
▶Should I move to Birmingham or Portsmouth?
The best city depends on what matters to you
This comparison shows how Birmingham and Portsmouth 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.
Take the free diagnostic10 minutes, no account needed