Legislative activity and ranking — United Kingdom

Reforms per year

Legislative seasonality

By type

Active vs. repealed

In force: 86,648 (100.0%)

Most reformed laws

1
The Income Support (General) Regulations 1987
Statutory-Instrument 394 reforms 1988-04-11 — 2026-03-15
2
The Jobseeker’s Allowance Regulations 1996
Statutory-Instrument 331 reforms 1996-10-07 — 2026-04-06
3
Income and Corporation Taxes Act 1988
Public General Act 294 reforms 1988-03-15 — 2022-07-14
4
Water Industry Act 1991
Public General Act 281 reforms 2001-01-30 — 2026-08-03
5
Magistrates’ Courts Act 1980
Public General Act 277 reforms 2002-11-07 — 2026-03-25
6
Local Government Act 1972
Public General Act 267 reforms 2002-06-25 — 2026-04-14
7
Compulsory Purchase Act 1965
Public General Act 250 reforms 2002-05-31 — 2026-03-11
8
Control of Pollution Act 1974
Public General Act 238 reforms 1999-07-27 — 2026-03-11
9
Land Compensation Act 1973
Public General Act 223 reforms 2002-05-31 — 2026-08-12
10
Compulsory Purchase (Vesting Declarations) Act 1981
Public General Act 218 reforms 2002-05-31 — 2026-03-11
11
Freedom of Information Act 2000
Public General Act 206 reforms 2001-05-11 — 2026-04-07
12
Road Traffic Regulation Act 1984
Public General Act 205 reforms 2001-01-30 — 2026-03-11
13
Taxation of Chargeable Gains Act 1992
Public General Act 203 reforms 1992-04-06 — 2025-03-20
14
Act of Sederunt (Rules of the Court of Session 1994) 1994
Statutory-Instrument 195 reforms 1994-09-05 — 2021-03-01
15
Social Security Contributions and Benefits (Northern Ireland) Act 1992
Public General Act 191 reforms 2000-07-25 — 2026-03-15
16
Representation of the People Act 1983
Public General Act 190 reforms 2001-02-16 — 2026-03-13
17
Taxes Management Act 1970
Public General Act 190 reforms 1991-02-01 — 2026-04-25
18
The Housing Benefit Regulations 2006
Statutory-Instrument 190 reforms 2006-03-06 — 2026-04-06
19
Income Tax (Earnings and Pensions) Act 2003
Public General Act 171 reforms 2003-04-06 — 2026-03-15
20
The Civil Procedure Rules 1998
Statutory-Instrument 170 reforms 1999-04-26 — 2026-04-06