Visa Categories
Period
Date
Researcher
研究
Latest data: 2026-03
Monthly Trend
Change from Feb 2026
Monthly Trend
| Date | Cert. of Eligibility | Extension of Stay | Change of Status |
|---|---|---|---|
| Mar 2026 | 42.4 days | 30.2 days | 49.4 days |
| Feb 2026 | 58.2 days | 22.4 days | 37.1 days |
| Jan 2026 | 62.5 days | 32.5 days | 60.4 days |
| Dec 2025 | 57.3 days | 25.6 days | 53.2 days |
| Nov 2025 | 48.7 days | 33.4 days | 33.5 days |
| Oct 2025 | 47.5 days | 38.1 days | 45.9 days |
| Sep 2025 | 65.0 days | 37.1 days | 39.2 days |
| Aug 2025 | 67.8 days | 37.3 days | 40.9 days |
| Jul 2025 | 30.8 days | 36.9 days | 32.3 days |
| Jun 2025 | 41.7 days | 41.4 days | 39.8 days |
| May 2025 | 52.3 days | 37.1 days | 45.2 days |
| Apr 2025 | 42.1 days | 33.1 days | 34.3 days |
| Mar 2025 | 38.6 days | 32.6 days | 50.0 days |
| Feb 2025 | 48.4 days | 22.8 days | 27.3 days |
| Jan 2025 | 35.5 days | N/A | N/A |
| Dec 2024 | 43.2 days | N/A | N/A |
| Nov 2024 | 28.7 days | N/A | N/A |
| Oct 2024 | 42.6 days | N/A | N/A |
| Sep 2024 | 43.3 days | N/A | N/A |
| Jun 2024 | 61.9 days | N/A | N/A |
| Mar 2024 | 63.8 days | N/A | N/A |
| Dec 2023 | 49.9 days | N/A | N/A |
| Sep 2023 | 36.6 days | N/A | N/A |
| Jun 2023 | 40.5 days | N/A | N/A |
| Mar 2023 | 46.2 days | N/A | N/A |
| Dec 2022 | 48.9 days | N/A | N/A |
| Sep 2022 | 40.8 days | N/A | N/A |
| Jun 2022 | 40.2 days | N/A | N/A |
| Mar 2022 | 47.7 days | N/A | N/A |
| Dec 2021 | 43.6 days | N/A | N/A |
| Sep 2021 | 63.3 days | N/A | N/A |
| Jun 2021 | 37.6 days | N/A | N/A |
| Mar 2021 | 28.1 days | N/A | N/A |
| Dec 2020 | 24.1 days | N/A | N/A |
| Sep 2020 | 52.3 days | N/A | N/A |
| Jun 2020 | 36.3 days | N/A | N/A |
| Mar 2020 | 22.0 days | 24.1 days | 34.0 days |
| Dec 2019 | 21.7 days | 28.0 days | 22.8 days |
| Sep 2019 | 24.0 days | 25.1 days | 30.7 days |
| Jun 2019 | 21.7 days | 24.8 days | 24.3 days |
| Mar 2019 | 13.3 days | 23.4 days | 26.2 days |
| Dec 2018 | 13.9 days | 24.6 days | 26.4 days |
| Sep 2018 | 14.8 days | 24.9 days | 29.8 days |
| Jun 2018 | 15.7 days | 30.2 days | 29.8 days |
| Mar 2018 | 16.5 days | 25.2 days | 27.4 days |
| Dec 2017 | 14.3 days | 24.7 days | 23.0 days |
| Sep 2017 | 15.7 days | 25.2 days | 22.2 days |
| Jun 2017 | 15.3 days | 23.5 days | 23.4 days |