Executive Summary
This analysis examines 555 bills from the Hong Kong
Legislative Council covering the period 2004-2025. The
study categorizes bills in multiple ways to understand patterns in
legislative processing duration and identifies key factors affecting the
time from bill publication to ordinance enactment.
Key Findings
- Committee Formation is the biggest factor affecting
duration
- Bills WITH committees: Mean 212 days (7.0
months)
- Bills WITHOUT committees: Mean 86 days (2.8
months)
- Difference: 2.5x longer processing time
- Bill Type matters significantly
- Appropriation bills: Fastest at 67 days (2.2
months)
- Amendments: 178 days (5.8 months) - Most common
(71.9%)
- New/Other bills: Slowest at 245 days (8.0
months)
- Proposer Variations
- Financial Secretary: Fastest at 74 days (2.4
months)
- Financial Services: 138 days (4.5 months) - Most
bills (136)
- Environment & Transport: Slowest at 364 days
(12.0 months)
- Temporal Improvements
- Recent years (2020-2025): Mean 109 days (3.6
months)
- Earlier periods (2016-2019): Mean 251 days (8.2
months)
- Clear trend toward faster processing
Data Source
Primary Data
Source: Hong Kong Legislative Council Bills Database
API
URL:
https://app.legco.gov.hk/BillsDB/odata/Vbills
Data Collection Date: November 5, 2024
Period Covered: 2004-2025
Total Records: 555 bills
Data Format: CSV (Comma-separated values)
Data Collection Method
Data was collected via API calls to the Legislative Council’s Bills
Database, filtering bills by gazette date ranges:
- 2004-10-01 to 2008-10-01
- 2008-10-01 to 2012-10-01
- 2012-10-01 to 2016-10-01
- 2016-10-01 to 2021-10-01
- 2022-01-01 to 2025-10-01
Variables Included
The dataset includes 61 columns covering:
- Date Fields: Bill gazette dates, committee
formation dates, reading dates (first, second, third), ordinance gazette
dates
- Identifiers: Internal keys, LegCo brief
references
- Descriptive: Bill titles (English and Chinese),
ordinance titles, proposer information
- Process: Committee information, Hansard URLs,
content URLs
- Metadata: Remarks, additional information
Derived Variables
duration_total: Days from bill gazette publication to
ordinance publication
category_proposer: Secretary/Bureau proposing the
bill
category_bill_type: Type of bill (Amendment,
Appropriation, New/Other, Merger)
category_ordinance: Ordinance title being amended or
created
category_has_committee: Whether a bills committee was
formed
category_year_group: Temporal grouping (2004-2007,
2008-2011, etc.)
Data Quality
- Completeness: 96.8% of bills have complete
start-to-finish duration data (537 out of 555)
- Missing Data: Some bills lack ordinance gazette
dates (18 bills, 3.2%)
- Date Validation: All dates verified to follow
chronological order (ordinance date is latest in 99.6% of cases)
Methods
Categorization Approaches
Five categorization methods were applied:
- By Proposer: Grouping by the Secretary/Bureau
proposing the bill
- By Bill Type: Extracting type from bill titles
(Amendment, Appropriation, etc.)
- By Ordinance: Grouping by the ordinance being
amended or created
- By Committee Formation: Binary classification (has
committee vs. no committee)
- By Year Group: Temporal grouping into 5-year
periods
Duration Calculation
Duration was calculated as:
duration_total = ordinance_gazette_date - bill_gazette_date
Only bills with both dates present and valid (end date ≥ start date)
were included in duration analyses.
Statistical Analysis
For each category, the following statistics were calculated:
- Count of bills
- Mean duration (days and months)
- Median duration (days and months)
- Minimum and maximum durations
- Standard deviation
- 25th and 75th percentiles
Results
Categorization Method 1: By Bill Type
Duration Statistics by Bill Type
|
Bill Type
|
Count
|
Mean (days)
|
Median (days)
|
Mean (months)
|
Median (months)
|
Min
|
Max
|
%
|
|
Amendment
|
386
|
177.9
|
140.0
|
5.8
|
4.6
|
17
|
1036
|
71.9
|
|
New/Other
|
105
|
244.5
|
196.0
|
8.0
|
6.4
|
15
|
770
|
19.6
|
|
Appropriation
|
42
|
66.9
|
60.5
|
2.2
|
2.0
|
28
|
252
|
7.8
|
|
Merger
|
4
|
144.2
|
84.0
|
4.7
|
2.8
|
63
|
346
|
0.7
|
Key Insight: Appropriation bills are processed
2.7x faster than amendments and 3.7x
faster than new bills. This makes sense as they are annual
budget bills with established procedures.
Categorization Method 3: By Proposer
Top 10 Fastest Proposers (by Median Duration)
|
Rank
|
Proposer
|
Count
|
Median (days)
|
Mean (days)
|
|
1
|
Chief Secretary
|
1
|
17.0
|
17.0
|
|
2
|
Hon CHEUNG Man-kwong
|
2
|
42.0
|
42.0
|
|
3
|
Hon Elizabeth QUAT
|
1
|
63.0
|
63.0
|
|
4
|
Secretary for Innovation, Technology and Industry
|
1
|
63.0
|
63.0
|
|
5
|
Secretary for Constitutional Affairs
|
3
|
64.0
|
61.0
|
|
6
|
Hon Alice MAK Mei-kuen
|
1
|
70.0
|
70.0
|
|
7
|
Financial Secretary
|
22
|
75.5
|
73.5
|
|
8
|
Hon LAU Chin-shek
|
1
|
77.0
|
77.0
|
|
9
|
Hon Rock CHEN Chung-nin
|
1
|
77.0
|
77.0
|
|
10
|
Secretary for Environment and Ecology Bureau
|
1
|
77.0
|
77.0
|
Top 10 Slowest Proposers (by Median Duration)
|
Rank
|
Proposer
|
Count
|
Median (days)
|
Mean (days)
|
|
1
|
Dr Hon Priscilla LEUNG
|
1
|
797
|
797.0
|
|
2
|
Secretary for Labour and Welfare, Secretary for Education, Secretary for
Health, Secretary for Security
|
1
|
413
|
413.0
|
|
3
|
Hon Jimmy NG Wing-ka
|
1
|
386
|
386.0
|
|
4
|
Secretary for Security
|
1
|
378
|
378.0
|
|
5
|
Secretary for the Environment
|
1
|
377
|
377.0
|
|
6
|
Secretary for Constitutional and Mainland Affairs
|
1
|
364
|
364.0
|
|
7
|
Secretary for the Environment, Transport and Works
|
7
|
346
|
363.7
|
|
8
|
Secretary for Health, Welfare and Food
|
7
|
330
|
309.1
|
|
9
|
Dr Hon LAM Tai-fai
|
1
|
301
|
301.0
|
|
10
|
Ir Dr Hon Raymond HO Chung-tai
|
1
|
301
|
301.0
|
Key Insight: Financial and treasury-related bills
process fastest, while environment and health-related bills take
longest. This may reflect complexity, controversy, or stakeholder
involvement levels.
Categorization Method 4: By Ordinance
Top 15 Most Frequently Amended/Created Ordinances
|
Ordinance
|
Count
|
Mean (days)
|
Median (days)
|
|
Inland Revenue Ordinance
|
63
|
114.5
|
91.0
|
|
Appropriation
|
42
|
66.9
|
60.5
|
|
Stamp Duty Ordinance
|
17
|
158.9
|
91.0
|
|
Employment Ordinance
|
13
|
202.3
|
154.0
|
|
Road Traffic Ordinance
|
13
|
178.5
|
168.0
|
|
Mandatory Provident Fund Schemes Ordinance
|
10
|
172.9
|
192.5
|
|
Securities and Futures Ordinance
|
10
|
224.7
|
217.0
|
|
Dutiable Commodities Ordinance
|
9
|
87.1
|
70.0
|
|
Statute Law
|
9
|
205.8
|
156.0
|
|
Companies Ordinance
|
8
|
220.5
|
199.5
|
|
Arbitration Ordinance
|
7
|
185.0
|
175.0
|
|
Legislative Council Ordinance
|
6
|
134.2
|
108.5
|
|
Product Eco-responsibility Ordinance
|
6
|
272.8
|
294.0
|
|
Air Pollution Control Ordinance
|
5
|
124.8
|
133.0
|
|
Banking Ordinance
|
4
|
103.2
|
101.5
|
Key Insight: Tax and revenue ordinances (Inland
Revenue, Appropriation) process fastest, while complex regulatory
frameworks (Eco-responsibility, Copyright) take longest.
Categorization Method 5: By Year Group
Duration Statistics by Year Group
|
Year Group
|
Count
|
Mean (days)
|
Median (days)
|
Mean (months)
|
Median (months)
|
%
|
|
2004-2007
|
87
|
222.2
|
189
|
7.3
|
6.2
|
16.2
|
|
2008-2011
|
95
|
199.4
|
175
|
6.5
|
5.7
|
17.7
|
|
2012-2015
|
90
|
201.7
|
168
|
6.6
|
5.5
|
16.8
|
|
2016-2019
|
88
|
250.7
|
210
|
8.2
|
6.9
|
16.4
|
|
2020-2025
|
177
|
108.8
|
91
|
3.6
|
3.0
|
33.0
|
Key Insight: Clear improvement trend. Recent years
(2020-2025) process bills 2.3x faster than the slowest
period (2016-2019). This suggests procedural improvements and/or less
controversial legislation in recent years.

Combined Insights
Fastest Bills (under 90 days)
- Appropriation bills without committees
- Financial/tax amendments
- Recent years (2020-2025)
- Proposed by Financial Secretary or Financial Services
Slowest Bills (over 250 days)
- New legislation requiring committees
- Environment/health-related bills
- Years 2016-2019
- Complex regulatory frameworks
Optimization Opportunities
- Committee processes could be streamlined (adds 126 days
average)
- New bills take 37% longer than amendments - early planning
helps
- Recent procedural improvements have significantly reduced processing
times
Recommendations
For Faster Processing
- Minimize committee formation where possible
- Use amendment approach rather than new legislation when
feasible
- Learn from Appropriation bill fast-track procedures
For Complex Bills
- Allow longer timelines (expect 8+ months)
- Early stakeholder engagement may reduce delays
- Consider breaking into phased amendments
Process Improvements
- Recent improvements (2020-2025) show ~50% reduction in processing
time
- Continue applying lessons learned from recent efficiency gains
Appendix: Detailed Statistics by Category
This appendix provides comprehensive duration statistics for all
categories identified in the analysis.
Appendix A: Duration Statistics by Proposer
Top 20 Proposers by Bill Count - Detailed Statistics
|
Proposer
|
Count
|
Mean (days)
|
Median (days)
|
Mean (mo)
|
Median (mo)
|
Min
|
Max
|
Std Dev
|
Q25
|
Q75
|
|
Secretary for Financial Services and the Treasury
|
136
|
137.5
|
98.0
|
4.5
|
3.2
|
22
|
574
|
105.4
|
57.0
|
183.8
|
|
Secretary for Transport and Housing
|
31
|
177.7
|
149.0
|
5.8
|
4.9
|
49
|
427
|
102.7
|
105.0
|
223.5
|
|
Secretary for Justice
|
29
|
222.1
|
189.0
|
7.3
|
6.2
|
28
|
763
|
162.9
|
113.0
|
280.0
|
|
Secretary for Commerce and Economic Development
|
28
|
212.5
|
171.5
|
7.0
|
5.6
|
41
|
721
|
191.4
|
75.2
|
227.5
|
|
Secretary for Security
|
26
|
190.7
|
147.0
|
6.3
|
4.8
|
15
|
588
|
156.6
|
81.0
|
201.2
|
|
Secretary for Constitutional and Mainland Affairs
|
24
|
159.2
|
98.0
|
5.2
|
3.2
|
41
|
567
|
145.4
|
82.2
|
176.8
|
|
Secretary for Food and Health
|
24
|
279.8
|
244.5
|
9.2
|
8.0
|
70
|
987
|
193.5
|
171.5
|
317.0
|
|
Financial Secretary
|
22
|
73.5
|
75.5
|
2.4
|
2.5
|
44
|
104
|
16.8
|
64.0
|
86.0
|
|
Secretary for Labour and Welfare
|
22
|
220.4
|
202.5
|
7.2
|
6.7
|
42
|
504
|
138.2
|
101.5
|
341.2
|
|
Secretary for Development
|
15
|
247.7
|
217.0
|
8.1
|
7.1
|
126
|
532
|
97.8
|
213.5
|
244.5
|
|
Secretary for Transport and Logistics
|
15
|
108.3
|
105.0
|
3.6
|
3.4
|
42
|
203
|
55.4
|
59.5
|
143.5
|
|
Secretary for the Environment
|
14
|
278.6
|
231.0
|
9.2
|
7.6
|
49
|
1036
|
240.7
|
156.2
|
329.0
|
|
Secretary for Home Affairs
|
11
|
356.5
|
168.0
|
11.7
|
5.5
|
63
|
770
|
293.2
|
130.0
|
654.5
|
|
Secretary for Environment and Ecology
|
10
|
143.6
|
129.5
|
4.7
|
4.3
|
42
|
259
|
60.4
|
116.2
|
175.0
|
|
Secretary for Health
|
10
|
147.8
|
119.5
|
4.9
|
3.9
|
77
|
371
|
89.8
|
92.8
|
143.5
|
|
Chief Secretary for Administration
|
9
|
197.9
|
210.0
|
6.5
|
6.9
|
21
|
364
|
112.4
|
119.0
|
280.0
|
|
Secretary for Economic Development and Labour
|
8
|
170.8
|
157.5
|
5.6
|
5.2
|
49
|
399
|
116.5
|
70.8
|
224.0
|
|
Secretary for Financial Services and the Treasury
|
8
|
147.9
|
91.0
|
4.9
|
3.0
|
70
|
294
|
96.0
|
80.5
|
222.2
|
|
Secretary for Health, Welfare and Food
|
7
|
309.1
|
330.0
|
10.2
|
10.8
|
84
|
546
|
150.6
|
224.0
|
378.0
|
|
Secretary for the Environment, Transport and Works
|
7
|
363.7
|
346.0
|
11.9
|
11.4
|
98
|
602
|
150.6
|
332.5
|
417.5
|
Appendix B: Duration Statistics by Bill Type
Duration Statistics by Bill Type - Complete
|
Bill Type
|
Count
|
Mean (days)
|
Median (days)
|
Mean (mo)
|
Median (mo)
|
Min
|
Max
|
Std Dev
|
Q25
|
Q75
|
|
Amendment
|
386
|
177.9
|
140.0
|
5.8
|
4.6
|
17
|
1036
|
140.4
|
84.0
|
224.0
|
|
New/Other
|
105
|
244.5
|
196.0
|
8.0
|
6.4
|
15
|
770
|
175.1
|
105.0
|
364.0
|
|
Appropriation
|
42
|
66.9
|
60.5
|
2.2
|
2.0
|
28
|
252
|
38.0
|
42.0
|
79.0
|
|
Merger
|
4
|
144.2
|
84.0
|
4.7
|
2.8
|
63
|
346
|
134.9
|
78.8
|
149.5
|
Appendix C: Duration Statistics by Ordinance
Top 20 Ordinances by Bill Count - Detailed Statistics
|
Ordinance
|
Count
|
Mean (days)
|
Median (days)
|
Mean (mo)
|
Median (mo)
|
Min
|
Max
|
Std Dev
|
Q25
|
Q75
|
|
Inland Revenue Ordinance
|
63
|
114.5
|
91.0
|
3.8
|
3.0
|
41
|
294
|
65.0
|
63.0
|
157.5
|
|
Appropriation
|
42
|
66.9
|
60.5
|
2.2
|
2.0
|
28
|
252
|
38.0
|
42.0
|
79.0
|
|
Stamp Duty Ordinance
|
17
|
158.9
|
91.0
|
5.2
|
3.0
|
22
|
476
|
144.6
|
70.0
|
209.0
|
|
Employment Ordinance
|
13
|
202.3
|
154.0
|
6.6
|
5.1
|
49
|
399
|
115.3
|
126.0
|
299.0
|
|
Road Traffic Ordinance
|
13
|
178.5
|
168.0
|
5.9
|
5.5
|
49
|
371
|
91.1
|
105.0
|
231.0
|
|
Mandatory Provident Fund Schemes Ordinance
|
10
|
172.9
|
192.5
|
5.7
|
6.3
|
35
|
392
|
101.3
|
91.0
|
213.5
|
|
Securities and Futures Ordinance
|
10
|
224.7
|
217.0
|
7.4
|
7.1
|
84
|
469
|
127.3
|
110.2
|
308.0
|
|
Dutiable Commodities Ordinance
|
9
|
87.1
|
70.0
|
2.9
|
2.3
|
42
|
251
|
64.6
|
50.0
|
91.0
|
|
Statute Law
|
9
|
205.8
|
156.0
|
6.8
|
5.1
|
70
|
413
|
118.9
|
113.0
|
308.0
|
|
Companies Ordinance
|
8
|
220.5
|
199.5
|
7.2
|
6.6
|
56
|
574
|
163.3
|
131.2
|
252.0
|
|
Arbitration Ordinance
|
7
|
185.0
|
175.0
|
6.1
|
5.7
|
28
|
504
|
152.7
|
105.0
|
189.0
|
|
Legislative Council Ordinance
|
6
|
134.2
|
108.5
|
4.4
|
3.6
|
77
|
280
|
75.3
|
91.0
|
136.5
|
|
Product Eco-responsibility Ordinance
|
6
|
272.8
|
294.0
|
9.0
|
9.7
|
126
|
377
|
93.5
|
222.2
|
334.2
|
|
Air Pollution Control Ordinance
|
5
|
124.8
|
133.0
|
4.1
|
4.4
|
49
|
163
|
45.1
|
125.0
|
154.0
|
|
Banking Ordinance
|
4
|
103.2
|
101.5
|
3.4
|
3.3
|
77
|
133
|
24.5
|
87.5
|
117.2
|
|
Betting Duty Ordinance
|
4
|
79.2
|
91.0
|
2.6
|
3.0
|
36
|
99
|
29.1
|
77.2
|
93.0
|
|
Chief Executive Election Ordinance
|
4
|
70.5
|
67.0
|
2.3
|
2.2
|
57
|
91
|
14.7
|
62.2
|
75.2
|
|
Copyright Ordinance
|
4
|
283.5
|
227.5
|
9.3
|
7.5
|
203
|
476
|
129.1
|
213.5
|
297.5
|
|
Electoral Affairs Commission Ordinance
|
4
|
99.5
|
73.0
|
3.3
|
2.4
|
42
|
210
|
77.8
|
46.5
|
126.0
|
|
Immigration Ordinance
|
4
|
183.8
|
150.5
|
6.0
|
4.9
|
56
|
378
|
137.0
|
124.2
|
210.0
|
Appendix E: Duration Statistics by Year Group
Duration Statistics by Year Group - Complete
|
Year Group
|
Count
|
Mean (days)
|
Median (days)
|
Mean (mo)
|
Median (mo)
|
Min
|
Max
|
Std Dev
|
Q25
|
Q75
|
|
2004-2007
|
87
|
222.2
|
189
|
7.3
|
6.2
|
35
|
763
|
162.8
|
77
|
329.5
|
|
2008-2011
|
95
|
199.4
|
175
|
6.5
|
5.7
|
28
|
763
|
152.9
|
70
|
277.0
|
|
2012-2015
|
90
|
201.7
|
168
|
6.6
|
5.5
|
35
|
797
|
145.2
|
98
|
249.5
|
|
2016-2019
|
88
|
250.7
|
210
|
8.2
|
6.9
|
42
|
1036
|
188.3
|
112
|
311.2
|
|
2020-2025
|
177
|
108.8
|
91
|
3.6
|
3.0
|
15
|
420
|
70.0
|
63
|
126.0
|