ADHD UK Logo
ADHD UK Logo

ADHD Diagnosis Rate in the UK

ADHD is an underdiagnosed condition in the UK.

A study of 9 million GP records showed just 0.32% had a diagnosis of ADHD. Meaning just 1 in 9 people with ADHD in the UK actually have a diagnosis of ADHD.

“Of the 9,561,450 people contributing eligible person-time, we identified 30,529 people with an ADHD diagnosis in their electronic health records (0.32% of the sample). Therefore, across the time period studied, around 1 in 300 people had an ADHD diagnosis [on their health record], approximately 1 in 9 of the likely true number of people with ADHD based on population-based surveys (2.8%)” [Journal Article Link]

British Journal of Psychiatry

Jan 23rd 2025

“ADHD is only diagnosed when it is having a debilitating impact on your life. The over 2 million people who have ADHD and no diagnose are defacto struggling. A diagnosis, and the understanding and support that comes with it, could instead have them thriving. We need to increase access to ADHD Assessments in the UK to get people the help that can change their life”

Henry Shelford

CEO and Co-Founder, ADHD UK

have ADHD in the UK

patients in England receiving an ADHD prescription (Quarterly Data)

%

individuals in England who have ADHD receiving a prescription (Quarterly Data)

million undiagnosed people with ADHD in the UK. [ADHD UK Estimate]

ADHD Prescriptions by NHS ICB Area (England)

Analysis of ADHD prescription data from NHS Data shows wide variance in ADHD prescribing (and therefore ADHD diagnosis rate. There is an over three times difference between NHS Frimley in the South East – with a prescription rate equaivalent to 19.6% of their ADHD population – and NHS Humber and North Yorkshire – with a prescription rate of 6.1% of their ADHD populaton. In all cases the prescrption rate (and therefore ADHD diagnosis rate) is less than 1 in 5 of the actual ADHD population. This is clear evidence of under-diagnosis. [Data from NHS here]

Region
East of England
East of England
East of England
East of England
East of England
East of England
London
London
London
London
London
Midlands
Midlands
Midlands
Midlands
Midlands
Midlands
Midlands
Midlands
Midlands
Midlands
Midlands
North East and Yorkshire
North East and Yorkshire
North East and Yorkshire
North East and Yorkshire
North West
North West
North West
South East
South East
South East
South East
South East
South East
South West
South West
South West
South West
South West
South West
South West
Integrated Care Board
NHS Bedfordshire, Luton and Milton Keynes ICB
NHS Cambridgeshire and Peterborough ICB
NHS Hertfordshire and West Essex ICB
NHS Mid and South Essex ICB
NHS Norfolk and Waveney ICB
NHS Suffolk and North East Essex ICB
NHS North Central London ICB
NHS North East London ICB
NHS North West London ICB
NHS South East London ICB
NHS South West London ICB
NHS Birmingham and Solihull ICB
NHS Black Country ICB
NHS Coventry and Warwickshire ICB
NHS Derby and Derbyshire ICB
NHS Herefordshire and Worcestershire ICB
NHS Leicester, Leicestershire and Rutland ICB
NHS Lincolnshire ICB
NHS Northamptonshire ICB
NHS Nottingham and Nottinghamshire ICB
NHS Shropshire, Telford and Wrekin ICB
NHS Staffordshire and Stoke-On-Trent ICB
NHS Humber and North Yorkshire ICB
NHS North East and North Cumbria ICB
NHS South Yorkshire ICB
NHS West Yorkshire ICB
NHS Cheshire and Merseyside ICB
NHS Greater Manchester ICB
NHS Lancashire and South Cumbria ICB
NHS Buckinghamshire, Oxfordshire and Berkshire West ICB
NHS Frimley ICB
NHS Hampshire and Isle of Wight ICB
NHS Kent and Medway ICB
NHS Surrey Heartlands ICB
NHS Sussex ICB
NHS Bath and North East Somerset, Swindon and Wiltshire ICB
NHS Bristol, North Somerset and South Gloucestershire ICB
NHS Cornwall and The Isles of Scilly ICB
NHS Devon ICB
NHS Dorset ICB
NHS Gloucestershire ICB
NHS Somerset ICB
Total Patients in receipt of ADHD medication (Q3 2024/25)
5,882
3,446
6,453
7,417
4,756
4,831
7,895
9,646
9,756
9,561
8,071
5,093
4,224
2,996
6,396
3,277
6,180
4,783
3,921
5,515
3,063
4,088
4,251
9,856
7,047
6,858
18,336
12,717
6,549
9,789
5,422
7,735
10,881
7,217
7,982
4,800
5,934
2,665
4,697
3,583
2,049
1,990
% of entire ICB population
0.6%
0.4%
0.4%
0.6%
0.4%
0.5%
0.5%
0.4%
0.4%
0.5%
0.5%
0.3%
0.3%
0.3%
0.6%
0.4%
0.6%
0.6%
0.5%
0.4%
0.6%
0.3%
0.2%
0.3%
0.5%
0.3%
0.6%
0.4%
0.3%
0.6%
0.7%
0.4%
0.6%
0.7%
0.4%
0.5%
0.6%
0.4%
0.4%
0.4%
0.3%
0.3%
% of ICB estimated ADHD population
15.6%
10.2%
11.3%
15.9%
10.8%
11.9%
12.5%
11.6%
10.4%
12.5%
13.8%
8.3%
8.2%
7.8%
14.7%
10.6%
15.3%
15.3%
13.2%
11.4%
14.9%
8.9%
6.1%
7.4%
12.0%
6.8%
15.9%
10.0%
8.6%
14.9%
19.6%
10.7%
14.7%
18.4%
11.4%
13.5%
14.9%
10.6%
9.4%
10.9%
8.4%
8.3%

ADHD Assessments and Medication in the Private Sector (England)

Currently, just over 1 in 5 patients receive their ADHD medication via a private prescription. This is higher than previously and likely driven by long wait times in NHS England, meaning patients feel they have no choice but to go privately. There have been additional issues of ADHD medication supply issues meaning prescriptions need to be changed quickly. Many have found their NHS simply incapable of that. We also see NHS GPs dropping their ADHD patients. Patients on the NHS have been finding themselves without appropriate care and feeling they have no choice but to go privately. (Please note for patients in England NHS Right to Choose maybe a useful option). [Data Source: BBC]

Year
2018/2019
2019/2020
2020/2021
2021/2022
2022/2023
2023/2024
Total Private Prescriptions Isssued and Filled
28,439
38,424
63,167
110,098
267,701
397,552
Total NHS Prescriptions Isssued and Filled
1,606,184
1,799,082
1,832,286
2,132,077
2,544,087
2,914,733
% Private
2%
2%
3%
5%
10%
12%
% NHS
98%
98%
97%
95%
90%
88%

Research data on ADHD Assessments and medication uptake

0.32% of Adults (1 in 9 of those with ADHD) have a diagnosis in the UK. (Jan 2025).
56% of children in America (2003) with an ADHD diagnosis are in receipt of medication
62% Children in America (2019) with an ADHD diagnosis are in receipt of medication
62% of children in the UK (2020) with an ADHD diagnosis are in receipt of medication.
54% of adults in the UK (2011) with an ADHD diagnosis are in receipt of medication
55.6% of individuals (any age) in the UK (2014) in receipt of ADHD medication within one year of diagnosis