Colombian taxes when you’re actually moving. The wires, not the worksheet.

This is the page where I slow down, because tax is the area where a confident wrong sentence turns into a penalty on your statement. So here is the actual machinery: what decides whether Colombia treats you as a tax resident, what residency pulls into scope, and the DIAN thresholds and dates for the 2026 filing season. It’s general information, current as of the 2026 season, not personalized advice. Your own numbers still belong in front of a Colombian contador before you file.

The mover’s real risk isn’t paying too much. It’s not realizing you crossed a line that created an obligation, not filing, and finding out later. So don’t ask “how do I save on tax.” Ask “what did I trigger, and when.”

The wire that catches movers: tax residency

Tax residency is the concept that flips you from “visitor who doesn’t file here” to “resident who does.” It’s decided by days, not by your visa. Cross the line and Colombia can tax you on your worldwide income, not just what you earn locally.

• The threshold is 183 days. More than 183 calendar days of physical presence in Colombia makes you a tax resident. In practice, 184 days or more tips you over (Estatuto Tributario Art. 10, Ley 1607 de 2012; PwC Colombia).
• The days add up across trips. They can be continuous or discontinuous, and both your entry day and your exit day count as full days. Four long visits count the same as one long stay.
• Your visa is irrelevant to the count. A tourist on a PIP stamp, a digital-nomad visa holder, and a resident-visa holder are counted the same way. DIAN reconstructs your days from Migración Colombia entry and exit records, so the count isn’t on the honor system.

It’s a rolling 365 days, not the calendar year

This is where people miscount. The window is any consecutive 365-day period, not a tidy January-to-December count. DIAN slides a twelve-month window across your travel history: every day you’re present, you look back over the previous 365 days, and the total changes as old days roll off the back. It works much like the Schengen 90/180 rule, but with 183 in 365.

• Split-year rule. If your 183-plus days straddle two tax years (say you arrive August 2025 and stay into 2026), you’re generally deemed resident starting in the second year (PwC; Capitaleme / CLKR).
• Whole-year effect. Once you cross the line inside a given tax year, Colombia treats you as resident for the entire tax year, not just from day 184.
• Secondary triggers. A few other tests can make you resident even apart from the day count, though they mostly affect Colombian nationals: a resident spouse or dependents here, 50% or more of your income Colombian-sourced, 50% or more of your assets located or managed here, residence in a listed tax haven, or being unable to prove tax residency elsewhere when DIAN asks.

DIAN, in one breath

DIAN is Colombia’s national tax authority, the rough analogue of the IRS or HMRC. It administers filing and collection, and it sets the thresholds and deadlines. Become a tax resident and DIAN is the body you now have a relationship with.

One trap first: the thresholds are written in UVT (unidad de valor tributario), a peso unit DIAN resets every year. Whether you must file in 2026 for tax year 2025 is measured against the 2025 UVT of COP 49,799. The 2026 UVT of COP 52,374 governs penalties charged in 2026 and next year’s thresholds. A lot of sources mix these two up.

Trigger for 2025	UVT	COP	≈ USD
Gross assets (patrimonio bruto), Dec 31 2025	4,500	224,095,500	68,952
Gross income during 2025	1,400	69,718,600	21,452
Credit-card consumption	1,400	69,718,600	21,452
Total purchases & consumption	1,400	69,718,600	21,452
Bank deposits or investments	1,400	69,718,600	21,452

UVT figures use the 2025 value (COP 49,799) that governs the 2026 season. USD shown at about COP 3,250 to the dollar (the official TRM) and is directional only, since the peso moves. You also must file, regardless of these numbers, if you were an IVA-responsible party or DIAN expressly requests it. Sources: Siigo; DIAN Comunicado 090 de 2026; La República.

Filing and payment for individuals run from August 12 to October 26, 2026, staggered by the last two digits of your NIT (for most foreigners, your cédula de extranjería number). NITs ending 01-02 file first, around August 12; 99-00 file last, by October 26. Residents living abroad follow the same calendar. Miss your date and the minimum late-filing penalty is 10 UVT, about COP 524,000 (roughly $160) (DIAN Calendario Tributario 2026; El Colombiano).

What residency actually pulls into scope

Becoming a resident flips you from source-based to worldwide taxation. Three things come into view:

• Worldwide income. Foreign salary and remote-work income, pensions, dividends, interest, rent from property abroad, capital gains, and crypto gains all become taxable in Colombia, at progressive rates from 0% up to 39%. Foreign income is converted to pesos at the exchange rate on the day you received it (Taxes for Expats; Medellín Advisors).
• Worldwide assets. Residents report net worldwide assets (patrimonio), including your home and accounts abroad, not just what you hold in Colombia (Chambers).
• Form 160, the foreign-asset return. A separate informational filing (Declaración de Activos en el Exterior) is required if your foreign assets exceed 2,000 UVT measured at January 1, filed in the same August-to-October window. It reports; it doesn’t by itself tax (Medellín Advisors).

By contrast, a non-resident (183 days or fewer) is taxed only on Colombian-source income, generally at a flat 35%, usually collected through withholding. That single fact is why the day count matters so much (KPMG; Taxes for Expats).

Your home country’s treaty, or the lack of one

Whether you get relief from being taxed twice depends heavily on where you’re from. Colombia’s own backstop applies in every case: Art. 254 of the Estatuto Tributario grants a foreign-tax credit (descuento por impuestos pagados en el exterior) for tax you paid abroad on the same income, capped at the Colombian tax on that income, usable in the year you paid or the next four (PwC Colombia).

United States: no treaty. There’s no income tax treaty between Colombia and the US (one was negotiated around 2010 and never ratified) and no Social Security totalization agreement. That means no tie-breaker for dual residency, no reduced withholding, and no mutual-agreement procedure. Relief comes entirely from the US side: the Foreign Earned Income Exclusion (Form 2555, up to $130,000 for 2025 and $132,900 for 2026) and the Foreign Tax Credit (Form 1116), stacked with Colombia’s Art. 254 credit on the other side. A TIEA and a FATCA agreement do exist, but they only share information: DIAN sees your US income and the IRS sees your Colombian accounts. Two watch-outs specific to Americans: possible double Social Security with no totalization, and PFIC exposure on Colombian AFP pension accounts (FileAbroad; Bright!Tax).

Canada: treaty in force. The Canada-Colombia convention was signed in 2008 and has applied since January 1, 2013. It covers employment and self-employment, business profits, dividends, interest, royalties, pensions, and capital gains, sets reduced withholding rates, and gives Article 4 tie-breaker rules for dual residents (permanent home, then centre of vital interests, then habitual abode, then nationality, then competent-authority negotiation). Relief runs through the foreign tax credit under s.126 of Canada’s Income Tax Act, and Canada has a separate social security agreement with Colombia (Canada.ca).

United Kingdom: treaty in force. The UK-Colombia convention was signed in 2016 and entered into force December 13, 2019, effective in Colombia from January 1, 2020 and in the UK from April 2020. It allocates taxing rights, gives reduced withholding, and provides the same successive tie-breaker for dual residents (permanent home, centre of vital interests, habitual abode, nationality, mutual agreement), plus exchange of information and assistance in collection (GOV.UK; HMRC DT5050).

The pattern: if you’re Canadian or British, the treaty machinery is built to tax each stream of income once, with tie-breakers and reduced source-country rates. If you’re American, there’s no treaty at all, so staying out of double taxation depends entirely on stacking Colombia’s Art. 254 credit against the US FEIE and Foreign Tax Credit, and it rewards careful coordination on both sides.

What to actually do next

The mechanics above are knowable, and now you know them. What no page can do is your count and your return. Your outcome depends on your income types, your home country, treaty interactions, and your exact days, and the cost of getting residency timing wrong by accident dwarfs an hour with someone who does this for a living. Before you settle into a rhythm of long stays, get your day count and your income picture in front of a cross-border Colombia tax professional. Know where the wires are before you’re standing on one.

Sources

• PwC Colombia: individual residence rules
• Capitaleme / CLKR: tax residency & the split-year rule
• Siigo: 2026 filing thresholds (UVT)
• El Colombiano: DIAN 2026 filing calendar by NIT
• Mamá in Medellín: the 2025-vs-2026 UVT distinction
• Medellín Advisors: worldwide income, assets & Form 160
• KPMG: Colombia tax overview (non-resident 35%)
• FileAbroad: why there’s no US-Colombia treaty
• Canada.ca: Canada-Colombia convention
• GOV.UK: UK-Colombia tax treaty

General orientation for the 2026 filing season, not tax or legal advice. Colombian residency rules, UVT values, DIAN thresholds and deadlines, and treaty treatment change over time and depend entirely on your specific facts. Confirm your own situation with a qualified Colombian contador or cross-border tax professional before you file or act.