Where your tax goes

Government Secretariat: Constitutional and Mainland Affairs Bureau

The 2026-27 estimate for this head (Head 144) is HK$876.7 million p.1. That is HK$9.2 million (1.1%) more than the 2025-26 revised estimate of HK$867.5 million p.1 (our calculation).

Spending by year

p.1

  1. 2026-27 Estimate HK$877m
  2. 2025-26 Revised estimate HK$867m
  3. 2024-25 Actual HK$837m

Of HK$1,120 in tax, about HK$1.2 corresponds to this department's spending. p.1 p.12

This is a split by budget share. Taxes are not set aside for particular uses. How we split it

What changes against the original estimate?

The original 2025-26 estimate was HK$882.1 million p.1. The revised estimate published with the Budget was HK$867.5 million. Against the original estimate, 2026-27 is HK$5.5 million (0.6%) less (our calculation).

Staff and policy areas

How many staff?

The establishment goes from 216 posts on 31 March 2026 p.1 to 212 posts on 31 March 2027 p.1 (down 4, our calculation).

Which policy areas does it serve?

  • Commerce and Industry (part of the Economic group)
  • Immigration Control (part of the Security group)
  • Intra-Governmental Services (part of the Support group)
  • Constitutional and Mainland Affairs (part of the Support group)

A department may work in a policy area only in part. We never add department spending into group totals: the Government publishes totals by group only. Index of Policy Areas (PDF)

Read the Estimates for Head 144 (PDF) · All departments