China — 183-Day Tax Residency

Summary

Limit

183 days (inclusive)

Window

Calendar year (1 Jan – 31 Dec)

Counting

Full 24-hour days only

Effect

Tax resident for that year

Authority

State Taxation Administration

If you are not domiciled in China and you are physically present there for 183 days or more in a single calendar year, you become a Chinese tax resident for that year. The threshold is inclusive — exactly 183 days is enough. The detail that trips people up is how China counts a day: under MOF/STA Announcement 2019 No. 34, a day counts only if you are present in China for the full 24 hours. Any partial day — which always includes your arrival and departure days — does not count. To stay a non-resident on the day-count path, keep your full-24-hour days at 182 or fewer each calendar year.

Who it applies to

The 183-day day count matters most if you are:

• A foreign professional on a China assignment, secondment, or long-term posting.
• A frequent business traveller whose trips into China add up across the year.
• A remote worker or expatriate spending long stretches in China without being domiciled there.

The day-count path applies to non-domiciled individuals — the test is about physical presence, not nationality. If you are domiciled in China (see below), you are resident regardless of your days, so the count does not govern your status.

The rule — and why it exists

Under Article 1 of the PRC Individual Income Tax Law (in force since 1 January 2019), an individual is a Chinese tax resident if either of two conditions is met:

• Domicile (住所). You are domiciled in China — habitual residence by reason of household registration, family, or economic interests. This is a facts-and-circumstances test, not a day count, and a domiciled person is resident no matter how few days they spend in China.
• The 183-day test. You are not domiciled in China but are present for an aggregate of 183 days or more in the tax year. The tax year is the calendar year, 1 January to 31 December.

Why it exists: countries use sustained physical presence as a proxy for where your economic life sits. China's 2018 reform (effective 2019) replaced an older one-year presence test with this 183-day threshold, aligning it with the international norm — but paired it with a strict 24-hour counting rule so that only genuinely full days of presence count.

Counting the days

This is where China differs sharply from most jurisdictions. Announcement 2019 No. 34 defines a day of residence as a day on which you are present for the full 24 hours (满24小时). A day with less than 24 hours of presence (不足24小时) does not count at all — which means both your arrival day and your departure day are excluded.

1. 1Count only days on which you are physically present in China for the entire 24 hours.
2. 2Exclude any partial day — including every arrival day and every departure day.
3. 3Aggregate those full days within a single calendar year (1 January to 31 December); days need not be consecutive.
4. 4If your full-24-hour days reach 183 in that calendar year, you are a Chinese tax resident for that year. The count resets on 1 January.

For someone who crosses the border often, this materially lowers the counted total versus an "any-presence" model: every trip loses its first and last day. Two short trips can burn four calendar days while adding nothing to the 183-day tally.

Examples

Example 1 — resident by full days

Mei takes a one-year assignment and lives in Shanghai continuously from February through November. Setting aside her arrival and departure days, she is present for well over 183 full 24-hour days in the calendar year, so she is a Chinese tax resident for that year.

Example 2 — the 24-hour rule keeps you under

Daniel is a consultant who flies into China for a week roughly twice a month — about 40 trips across the year, each spanning 7 calendar days on the ground. Because each trip's arrival and departure days do not count, only the 5 full days in the middle of each trip count: 40 trips × 5 full days = 200 full days. He would still be resident here — but notice that a naive "any-presence" count would have reached 280 days. The 24-hour rule can be the difference between crossing 183 and staying under it for someone with fewer or shorter trips.

Example 3 — domiciled, so days are irrelevant

Wei was born in China, keeps his household registration (户口) and family there, but works abroad most of the year and is present for only 60 full days. Because he is domiciled in China, he is a tax resident regardless of the day count — the 183-day test does not apply to him.

Exceptions & edge cases

• Domicile overrides the count. A person domiciled in China (household registration, family, or economic interests) is resident regardless of days present. The 183-day path is only for the non-domiciled.
• The six-year rule limits worldwide taxation. Being a 183-day resident does not by itself mean your foreign income is taxed. Foreign-source income paid by foreign entities stays exempt unless, in each of the six preceding consecutive years, you reached 183 days and had no single trip abroad exceeding 30 consecutive days. Any year under 183 days, or any one departure over 30 days, resets the six-year clock. Because the lookback only counts years from 2019 onward, the earliest year a continuously present non-domiciled resident could be taxed on worldwide income is 2025.
• The 30-day reset is a single trip, not a total. Only one continuous absence of more than 30 days (31+ consecutive days) resets the six-year clock. Cumulative shorter absences do not.
• Tax treaties can override the result. For a dual-resident individual, the applicable double-tax treaty applies tie-breaker rules to assign a single treaty residence. This rule reflects Chinese domestic law only.

Common misconceptions

• "Arrival and departure days count." False for China — a day counts only if you are present for the full 24 hours, so both arrival and departure days are excluded. This is stricter than most countries.
• "It's a rolling 12-month window." No — China uses the calendar year, 1 January to 31 December, and the count resets each 1 January.
• "Hitting 183 days means my worldwide income is taxed straight away." Not necessarily — the six-year rule keeps foreign-source income paid by foreign entities exempt until you have six qualifying consecutive years without a reset.
• "Under 183 days always keeps me a non-resident." Only on the day-count path. If you are domiciled in China, you are resident regardless of your days.

Frequently asked questions

Sources

• State Taxation Administration — MOF/STA Announcement 2019 No. 34 (24-hour rule)
• State Taxation Administration — PRC Individual Income Tax Law, Article 1
• State Council (gov.cn) — official reprint of Announcement 2019 No. 34