How meany muslaim me between 20 and 45 in uk

Checked on December 5, 2025
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Executive summary

Available sources report that Muslims in England and Wales numbered 3,868,133 at the 2021 census, representing about 6.5% of the population [1]. The Muslim population is described as relatively young by organisations using 2021 census data and other analyses, but the sources provided do not give a direct count of how many Muslims in the UK are specifically aged 20–45; that exact figure is not found in current reporting [2] [3] [1].

1. What we know: headline population counts

The clearest, directly cited figure in the available material is the 2021 census count for England and Wales: 3,868,133 Muslims, about 6.5% of that population [1]. The Muslim Council of Britain’s recent “British Muslims in Numbers” summary also draws on the 2021 census and frames British Muslims as a diverse and relatively young population, but it does not quote a single-age-band total for 20–45 in the snippets supplied [2] [3].

2. Why your requested age bracket isn’t directly available in these sources

The provided documents summarize census findings and demographic trends but the snippets and summaries here do not include a breakdown that isolates the 20–45 age range for Muslims. The MCB report emphasizes youthfulness and changing age profiles over time but the exact count for age 20–45 “in the UK” is not in the excerpts provided; therefore the precise number you asked for is not found in current reporting [2] [3].

3. What the sources say about age structure and trends

Both the MCB summary and broader profiles of Islam in the UK stress that Muslim communities are younger than the national average and that this younger profile shapes education, employment and future ageing needs [3] [1]. The MCB notes a young demographic now that will age over time, indicating policy relevance for services for the elderly in future decades [3]. The Wikipedia summary likewise characterises the Muslim population as relatively young in aggregate [1].

4. How analysts usually derive a 20–45 estimate (methodology context)

To get the number you want, demographers typically take the census population of Muslims and apply the age-band distribution for that group from detailed census tables (for example, percent in 20–29, 30–39, 40–49) and sum the relevant bands. The sources here confirm the existence of detailed 2021 census data on religion and age but the exact age-band counts are not included in the supplied excerpts; you would need the full census tables or the MCB’s full report appendices to compute a reliable 20–45 total [2] [3] [1].

5. Conflicting or missing information and limitations

Public summaries and secondary sources (e.g., Statista or WorldPopulationReview) offer projections and contextual statistics but the snippets here either repeat the overall 2021 total or discuss projections to 2050; they do not provide the 20–45 breakdown you requested [4] [5]. Because the supplied sources don’t contain the age-band counts, asserting a specific numeric total for Muslims aged 20–45 in the UK would exceed what these sources support [2] [3] [1].

6. Where to get the exact number and what to ask for next

Request the detailed 2021 census table for “Religion by single year of age” or “Religion by 10-year age bands” for England and Wales; that will let you add the relevant bands (20–29, 30–39, and 40–45 or 40–49 with an adjustment) to produce the 20–45 total. The Muslim Council of Britain’s full census report and the Office for National Statistics’ (ONS) census datasets are the appropriate primary sources cited by the summaries here [2] [3] [1].

7. Bottom line for readers

Reliable headline: 3,868,133 Muslims in England and Wales in 2021, ~6.5% of the population [1]. The exact count of Muslims aged 20–45 is not stated in the supplied reports or summaries; obtain the detailed 2021 census age-by-religion tables (or the MCB full report appendices) to produce that specific figure [2] [3] [1].

Want to dive deeper?
How many Muslim men aged 20–45 live in the UK by year of census or estimate?
What percentage of UK males aged 20–45 identify as Muslim by region (England, Scotland, Wales, Northern Ireland)?
How have numbers of Muslim men aged 20–45 in the UK changed since 2011 and projected to 2025–2030?
What data sources report religion by age and sex in the UK (ONS, census, APS) and how to access them?
How does the age distribution of Muslim men in the UK compare to other religious groups and the general population?