Year of Assessment
Finance and Economy Inland Revenue Authority of Singapore
The year in which income is assessed to tax in Singapore, generally using income from the preceding basis period.
Example: Income earned in the financial year 2025 is generally assessed in YA 2026.
Also known as: tax Year of Assessment
Context: Use YA, not AY, for the Singapore income-tax term.
Source checked for YA (opens in a new tab) Checked 2026-08-11