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Legalize
/
United Kingdom
/ Statistics
Legislative activity and ranking — United Kingdom
Reforms per year
Legislative seasonality
By type
Active vs. repealed
In force: 3,970 (100.0%)
Most reformed laws
1
Income and Corporation Taxes Act 1988
Public General Act
294 reforms
1988-03-15 — 2022-07-14
2
Water Industry Act 1991
Public General Act
279 reforms
2001-01-30 — 2026-04-06
3
Magistrates’ Courts Act 1980
Public General Act
277 reforms
2002-11-07 — 2026-03-25
4
Local Government Act 1972
Public General Act
267 reforms
2002-06-25 — 2026-04-14
5
Compulsory Purchase Act 1965
Public General Act
250 reforms
2002-05-31 — 2026-03-11
6
Control of Pollution Act 1974
Public General Act
238 reforms
1999-07-27 — 2026-03-11
7
Land Compensation Act 1973
Public General Act
221 reforms
2002-05-31 — 2026-04-07
8
Compulsory Purchase (Vesting Declarations) Act 1981
Public General Act
218 reforms
2002-05-31 — 2026-03-11
9
Freedom of Information Act 2000
Public General Act
206 reforms
2001-05-11 — 2026-04-07
10
Road Traffic Regulation Act 1984
Public General Act
205 reforms
2001-01-30 — 2026-03-11
11
Taxation of Chargeable Gains Act 1992
Public General Act
203 reforms
1992-04-06 — 2025-03-20
12
Social Security Contributions and Benefits (Northern Ireland) Act 1992
Public General Act
191 reforms
2000-07-25 — 2026-03-15
13
Representation of the People Act 1983
Public General Act
190 reforms
2001-02-16 — 2026-03-13
14
Taxes Management Act 1970
Public General Act
189 reforms
1991-02-01 — 2026-01-01
15
Income Tax (Earnings and Pensions) Act 2003
Public General Act
171 reforms
2003-04-06 — 2026-03-15
16
House of Commons Disqualification Act 1975
Public General Act
162 reforms
2001-01-30 — 2026-03-02
17
Greater London Authority Act 1999
Public General Act
161 reforms
2001-01-30 — 2026-04-06
18
Criminal Justice Act 2003
Public General Act
159 reforms
2003-12-18 — 2026-03-22
19
Terrorism Act 2000
Public General Act
158 reforms
2002-12-02 — 2026-02-23
20
Employment Rights Act 1996
Public General Act
146 reforms
1998-04-01 — 2026-04-06
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