Birmingham vs Köln for couples
Birmingham, in the United Kingdom, and Köln, in Germany, are about 633 km apart. Every figure below comes from the data behind our city pages: an estimated monthly cost for a couple, tax tier, annual climate, safety, healthcare, internet speed, language and residency rules. Birmingham leads on internet speed and getting by in English; Köln on cost, safety, healthcare and residency rules.
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Side by side
Source: the datasets behind our city pages. Cost is our model estimate (a country-level cost index scaled for city size); tax tiers are assigned by hand from each country's top marginal income tax rate and overall tax reputation; temperature from the Open-Meteo archive (2019 to 2023 averages); rainfall from TerraClimate (1991 to 2020 normals); safety and healthcare are our own country-level estimates; internet from the Ookla Speedtest Global Index; English from the EF English Proficiency Index; residency from our hand-reviewed residency dataset (not legal advice); short-stay entry from the passport-index dataset.
Factor by factor
Cost of living
Köln is cheaper: we estimate about €3,665 a month for a couple living centrally, against €3,980 in Birmingham. That is €315 a month, or 8%, less.
Taxes
A tie: the United Kingdom and Germany both sit in our high tax tier.
Climate
Köln is 2°C warmer on average over the year: 12°C against 10°C in Birmingham. Köln is drier, with about 784 mm of rain a year against 869 mm in Birmingham (10% less).
Safety
Köln is the safer pick: Germany scores 65 out of 100 on safety, 9 points above the United Kingdom (56).
Healthcare
Köln has the stronger healthcare: Germany scores 79 out of 100 on healthcare, 5 points above the United Kingdom (74).
Internet
Birmingham has faster home internet: about 110 Mbps median fixed download against about 90 Mbps in Köln.
Language
Main languages: English in Birmingham; German in Köln. English goes further in Birmingham (English everywhere) than in Köln (good English).
Residency and visas
Long-term residency is easier to obtain in Germany (comparatively open) than in the United Kingdom (possible, with conditions). Germany has a self-funded route from about $1,270 a month in income; we track no income-based route for the United Kingdom. For short visits, 35 of 198 passports can enter the United Kingdom visa-free and 93 can enter Germany.
Which one fits a couple
If one of you puts internet speed (110 Mbps against 90 Mbps) and getting by in English (English everywhere against good English) first, Birmingham comes out ahead. If the other cares more about cost (€3,665 against €3,980 a month), safety (65 against 56 out of 100), healthcare (79 against 74 out of 100) and residency rules (comparatively open against possible, with conditions), Köln does.
Climate can pull the two of you apart too: a partner who wants warmth leans toward Köln (12°C on average), while one who minds the heat leans toward Birmingham (10°C).
Both are large cities, but Birmingham is near the coast and Köln is inland.
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