Rascasse Audience Intelligence

Slimming World Audience in United Kingdom

Slimming World has an estimated audience of 3.8M people in United Kingdom.

#6among NGOs & parties in United Kingdom
#66in Health

The average Slimming World fan in United Kingdom is 43.6 years old, more female, and lives primarily in West Midlands.

Most fans live in West Midlands, East of England, Yorkshire and the Humber.

Top affinities include Weight Watchers, Ketosis, Diet food, with strongest over-indexing on Weight Watchers (7.75× the country average).

Demographically, the Slimming World audience skews more female with an average age of 43.6, and over-indexes on personality traits such as Mindfulness, Spirituality.

The typical Slimming World fan in United Kingdom is more female, around 43.6 years old, with strong Mindfulness tendencies and a notable affinity for Weight Watchers.

Category: Health · Type: NGO / Political Party

Data status: Q3/2026 · Source & method

Section 01

At a glance

Audience size
3.8M
in United Kingdom
Gender
87.6%♀
12.4% male
Age
43.6
average years
Country rank
#1995
among all objects in United Kingdom
Fig. 01

Search interest · 12-month trend

-21%
vs. last year
JanMarMayJulSepNov
Monthly searches · Source: Rascasse Solution
Section 02

Demographics of Slimming World fans

87.6% are female, 12.4% are male, average age 43.6.

Fig. 02

Gender split

87.6%
Female
12.4%
Male
Demographic split for Slimming World audience in United Kingdom
MetricValue
Female87.6%
Male12.4%
Average age43.6
Estimated audience size3.8M
Fig. 03

Age distribution

Ø 43.6
average years
Age distribution of the Slimming World audience in United Kingdom
Age bracketShare%
16-248%
25-3419%
35-4421%
45-5427%
55+24%
Fig. 04

Worldwide distribution

84.1%

of the worldwide Slimming World audience comes from United Kingdom.

Worldwide audience distribution share by country for Slimming World
CountryShare
United Kingdom84.1%
Ireland7.4%
Spain1.3%
Section 03
Affinity (×) = how much more likely a member of this audience is to live in a region than the United Kingdom average. Example: 2.0× means twice as concentrated as the national baseline.

Geography

Fig. 05

Top regions by affinity

Slimming World fans by region: top regions in United Kingdom
#RegionReachAffinity×
01West Midlands~500K1.35×
02Wales~200K1.31×
03Yorkshire and the Humber~400K1.29×
04North East~200K1.19×
05East of England~400K1.16×
06East Midlands~300K0.93×
07Scotland~300K0.90×
08Northern Ireland~80K0.80×
09South West~300K0.79×
10South East~400K0.74×
11North West~200K0.56×
Section 04
Brands and objects ranked by affinity with this audience. Values above 1.0× mean over-representation compared with the country average.

Audience interests & affinities

Fig. 07

Top cross-interests, ranked by affinity

Affinities of the Slimming World audience vs. the country average
#·InterestCategoryAffinity×
01Weight WatchersFood & Beverages7.75×
02KetosisHealth4.79×
03Diet foodFood & Beverages4.17×
04Low-carbohydrate dietFood & Beverages3.85×
05MounjaroHealth3.68×
06Plus-size clothingFashion & Accessoires3.33×
07CalorieFood & Beverages3.06×
08Diabetes mellitus awarenessHealth2.93×
09CeX (company)Technology & Electronics2.69×
10Personal trainerSports2.10×
11Weight loss (Fitness And wellness)Health2.04×
12Daily Star (United Kingdom)News1.88×
13Daily Express (Sabah)News1.86×
14Nigel FaragePolitics & Society1.84×
15NewcastBusiness & Career1.81×
16Notting Hill (film)Movies & TV1.76×
17SundayHome & Garden1.55×
18WeekBusiness & Career1.54×
19Daily ExpressNews1.53×
20ChristmasKids & Family1.53×
Section 05
Strongest and weakest personality traits of this audience (1.0 = country average).

Personality of the Slimming World audience

Fig. 08

Deviation from the national baseline

↑ What stands out
The strongest tendencies
Personality traits of the Slimming World audience vs. the country average · What stands out
TraitClusterDeviationScore
MindfulnessBALANCE1.56×
SpiritualityBALANCE1.45×
ExtroversionTHRILL1.35×
0×1.00× baseline2×
↓ Rather not
The weakest tendencies
Personality traits of the Slimming World audience vs. the country average · Rather not
TraitClusterDeviationScore
Early Adopter MentalityPOWER0.91×
DIY MentalityTHRILL0.97×
Luxury OrientationPREMIUM0.97×
0×1.00× baseline2×
Appendix

Explore more audiences

Source & method

Source
Rascasse Solution, own modelling
What “fans” means here
Estimated number of people in United Kingdom with measurable interest in Slimming World over the last 12 months. Modelled, not counted; people interested in several ngo / political partys count for each of them.
Data basis
Anonymised behavioural signals: search demand, social media signals, sponsorship and event data. Not a survey.
Period
10/2025 – 09/2026 · updated quarterly · data status Q3/2026
Confidence
high gender and age data available and an audience of at least 100,000 people

Cite as: “Rascasse Solution, Q3/2026, rascasse.com/explore/gb/slimming-world-44056” · Methodology