Rascasse Audience Intelligence

Sustainability Audience in Belgium

A data profile of the people who buy, follow and care about Sustainability in Belgium — modelled from more than twelve digital signal sources. Sustainability has an estimated audience of 1,470,924 people in Belgium.

The average Sustainability fan in Belgium is 42.2 years old, more female, and lives primarily in East Flanders.

The audience is concentrated in East Flanders, Antwerp, Flemish Brabant.

Top brand affinities include Home repair, Sustainable energy, Home Interior Design, with strongest over-indexing on Home repair (1.85× the country average).

Demographically, the Sustainability audience skews more female with an average age of 42.2, and over-indexes on personality traits such as Early Adopter Mentality, Patriotism.

Compared to the country baseline, this audience shows distinctive patterns across 20 brand affinities and 11 regions tracked by Rascasse.

The typical Sustainability fan in Belgium is more female, around 42.2 years old, with strong Early Adopter Mentality tendencies and a notable affinity for Home repair.

Category: Politics & Society · Type: Topic

The data on this page comes from the Rascasse audience panel and is refreshed monthly from search, social and browsing signals. As of 2026-08-13.

Section 01

At a glance

The key figures that characterise the Sustainability profile in Belgium.

Audience size
1.5M
in Belgium
Gender
57.2%
42.8% male
Age
42.2
average years
Country rank
#500
Topic in Belgium
Fig. 01

Search interest · 12-month trend

-29%
vs. last year
JanMarMayJulSepNov
Monthly searches · Source: Rascasse Audience Intelligence
Section 02

Demographics of Sustainability fans

57.2% are female, 42.8% are male, average age 42.2.

Fig. 02

Gender split

57.2%
Female
42.8%
Male
Demographic split for Sustainability audience in Belgium
MetricValue
Female57.2%
Male42.8%
Average age42.2
Estimated audience size1,470,924
Fig. 03

Age distribution

Ø 42.2
average years
Age distribution of the Sustainability audience in Belgium
Age bracketShare%
16-1914%
20-2919%
30-3917%
40-4921%
50+29%
Fig. 04

Worldwide distribution

0.8%

of the worldwide Sustainability audience comes from Belgium.

Worldwide audience distribution share by country for Sustainability
CountryShare
United States21.4%
United Kingdom6.4%
Germany5.7%
Section 03
Affinity (×) = how much more likely a member of this audience is to live in a region than the Belgium average. Example: 2.0× means twice as concentrated as the national baseline.

Geography

Where the Sustainability audience in Belgium is strongest.

Fig. 05

Top regions by affinity

Sustainability fans by region: top regions in Belgium
#RegionReachAffinity×
01Brussels~200K1.71×
02Flemish Brabant~200K1.44×
03East Flanders~200K1.43×
04Antwerp~200K1.26×
05West Flanders~100K1.11×
06Limburg~70K1.06×
07Walloon Brabant~40K0.97×
08Luxembourg~30K0.84×
09Province of Namur~50K0.78×
10Liege~90K0.72×
11Hainaut~100K0.65×
Section 04
Brands and entities this audience over-indexes on, vs. the country average.

Audience interests & affinities

The strongest cross-interests of the Sustainability audience — brands, topics and people combined.

Fig. 07

Top cross-interests, ranked by affinity

Top brand affinities (over-index vs. country average) for Sustainability audience
#·InterestCategoryAffinity×
01Zero wasteHome & Garden2.05×
02Sustainable livingHome & Garden1.90×
03Sustainable productsPolitics & Society1.90×
04Home repairHome & Garden1.85×
05Home Interior DesignHome & Garden1.84×
06SnackingFood & Beverages1.83×
07Sustainable energyHome & Garden1.80×
08Green buildingHome & Garden1.77×
09Le FigaroNews1.76×
10Starter homeHome & Garden1.75×
11Expensive TasteBusiness & Career1.75×
12Bedroom furnitureHome & Garden1.73×
13EnvironmentalismPolitics & Society1.71×
14Home InteriorsHome & Garden1.71×
15Web developmentBusiness & Career1.65×
16Travel AdventuresTravel & Leisure1.60×
17Efficient energy useTechnology & Electronics1.58×
18MindfulnessHealth1.57×
19Renewable energyBusiness & Career1.52×
20Organic productFood & Beverages1.52×
Section 05
Top six personality traits over-indexed by this audience (1.0 = country average).

Personality of the Sustainability audience

Values above 1.00× are above the country average, values below 1.00× below it.

Fig. 08

Deviation from the national baseline

What stands out
The strongest tendencies
Top personality traits over-indexed by Sustainability audience · What stands out
TraitClusterDeviationScore
Early Adopter MentalityPOWER1.31×
PatriotismCONSERVATISM1.16×
Design AffinityPREMIUM0.99×
1.00× baseline
Rather not
The weakest tendencies
Top personality traits over-indexed by Sustainability audience · Rather not
TraitClusterDeviationScore
Pet OwnershipJOY0.77×
TravellingTHRILL0.85×
Social Media UsageJOY0.86×
1.00× baseline
Section 06

Frequently asked questions

01

How many fans does Sustainability have in Belgium?

Sustainability has an estimated audience of 1,470,924 people in Belgium, concentrated in East Flanders and Antwerp.

02

What is the gender split and age of Sustainability fans?

57.2% of Sustainability fans are female, 42.8% are male, with an average age of 42.2 years.

03

Which brands do Sustainability fans like most?

Sustainability fans show strongest brand affinity for Home repair (1.85×), Sustainable energy (1.8×), and Home Interior Design (1.84×) over the country average.

04

Where do Sustainability fans live in Belgium?

Sustainability fans in Belgium are most concentrated in East Flanders (reach ~200K), Antwerp (reach ~200K), and Flemish Brabant (reach ~200K). These three regions account for the largest share of the active audience.

05

What other brands do Sustainability fans also like?

Beyond Sustainability itself, the audience over-indexes on Sustainable energy (1.8×), Home Interior Design (1.84×), Starter home (1.75×), and Le Figaro (1.76×) compared to the Belgium average.

Appendix

Explore more audiences

Related profiles, rankings and the same audience in other markets.

How to read this data

Audience size is the estimated number of people in Belgium who actively search for Sustainability. Affinity is an over-index ratio: 2.0× means the audience is twice as likely to engage with that brand or trait as the country average. Reach is the estimated number of audience members in a region. Regional and brand-affinity tables are sorted from strongest signal to weakest.

About this audience profile

This audience profile is generated by Rascasse from anonymized search-behavior signals across Belgium. For methodology see methodology. Affinity values are over-index ratios vs. the country average (1.0 = baseline). Audience sizes are estimated, not measured.

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