| Living cost / month | 🇦🇷 Buenos Aires$3,5630/10 · Highest budgetAssessment basisOnly the selected planning budgets with the same household settings. Not a market-price ranking. | 🇨🇴 Medellin$3,27810/10 · Lowest budgetAssessment basisOnly the selected planning budgets with the same household settings. Not a market-price ranking. |
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| Warmest month | 🇦🇷 Buenos Aires24.8 °C10/10 · No hot monthly meanAssessment basisWarmest month: mean 24.8 °C · 2001–2020. Not a daytime maximum or an overall climate rating. Source 2001–2020 | 🇨🇴 Medellin18.1 °C10/10 · No hot monthly meanAssessment basisWarmest month: mean 18.1 °C · 2001–2020. Not a daytime maximum or an overall climate rating. Source 2001–2020 |
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| Intentional homicides / 100k | 🇦🇷 Buenos Aires4.55/10 · Middle bandAssessment basis4.49 per 100,000 · 2023. National, not city data; not an overall safety index. Source · 2023 National statistic, not city risk · 2023 | 🇨🇴 Medellin24.90/10 · Very high rateAssessment basis24.91 per 100,000 · 2023. National, not city data; not an overall safety index. Source · 2023 National statistic, not city risk · 2023 |
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| Water nearby | 🇦🇷 Buenos AiresRío de la Plata estuary, not an ocean beach | 🇨🇴 MedellinMountain valley, no coast |
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| Tax residence | 🇦🇷 Buenos AiresConditions & factsFor foreign nationals: permanent residence or 12 months of authorized temporary stay, not a universal 183-day rule. Details & sources | 🇨🇴 MedellinConditions & factsOver 183 days in any 365 days. When the period crosses tax years, residence begins in the second. Details & sources |
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| Income taxes | 🇦🇷 Buenos AiresConditions & factsResidents: worldwide income. Marginal rates 5–35%; the January–June 2026 ARCA table is half-yearly, so its thresholds are not annual amounts. Details & sources | 🇨🇴 MedellinConditions & factsStatutory resident rates: 0–39%. The linked DIAN band explainer is dated 2023; 2026 peso thresholds need the relevant UVT value. Details & sources |
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| Residence & legal status | 🇦🇷 Buenos AiresConditions & factsCompare work, study, family and income grounds. A short remote-work route is not permanent residence or a citizenship guarantee. Details & sources | 🇨🇴 MedellinConditions & factsCheck digital-nomad and migrant-category conditions. A visitor visa should not automatically be treated as a route to permanent status. Details & sources |
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| Work & business | 🇦🇷 Buenos AiresConditions & factsCompare work, study, family and income grounds. A short remote-work route is not permanent residence or a citizenship guarantee. Details & sources | 🇨🇴 MedellinConditions & factsCheck digital-nomad and migrant-category conditions. A visitor visa should not automatically be treated as a route to permanent status. Details & sources |
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| Safety | 🇦🇷 Buenos AiresConditions & factsIn Buenos Aires, assess phone and bag theft, street currency exchanges and evening neighborhood safety. Details & sources | 🇨🇴 MedellinConditions & factsConsider robbery, drug-facilitated theft and dating-app risks. Neighborhood, time and mode of travel significantly affect exposure. Details & sources |
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| Conflict-sensitive regions | 🇦🇷 Buenos AiresConditions & factsCheck current advice; demonstrations and strikes can disrupt daily logistics. Details & sources | 🇨🇴 MedellinConditions & factsArmed groups and border regions have separate warnings. Trips beyond the city need a fresh route assessment. Details & sources |
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| Family & schools | 🇦🇷 Buenos AiresConditions & factsMatch schools to language, the Southern Hemisphere academic calendar and commute. Verify healthcare costs and access for your status. Details & sources | 🇨🇴 MedellinConditions & factsChoose the school, then neighborhood and commute. Consider Bogota's altitude, air quality and Spanish-language needs. Details & sources |
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| Healthcare | 🇦🇷 Buenos AiresConditions & factsCheck private-plan costs and current foreign-resident access rules for public healthcare. Details & sources | 🇨🇴 MedellinConditions & factsCheck status-based EPS access and interim private cover. Confirm hospitals and co-payments. Details & sources |
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