Guides

Each guide quotes the official text, links to it and gives the date we checked it. Rules change, so open the source before you rely on anything here.

• Days outside Japan and the 2026 permanent residence guideline

  Half a year on one trip, two years and six months in total, the 1 April 2027 start, and what the Ministry of Justice says about naturalisation.

• The UK 180-day rule for ILR, explained from the rules

  CR 3.1, rolling 12-month periods, whole days, the qualifying period dates in CR 1.1 and the exceptions in CR 3.4.

• UK Long Residence: absences before and after 11 April 2024

  CR 3.3: 548 days in total and 184 days at a time for absences before 11 April 2024, then the 180-day rule.

日本語のガイド: 永住・帰化の出国日数