It belongs to the agglomeration of Lens-Liévin which gathers 36 cities or villages, that is to say 250,000 inhabitants.
See also Battle of Vimy Ridge
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... age of 18, 5.7% from 18 to 24, 31.9% from 25 to 44, 23.3% from 45 to 64, and 13.9% who are 65 years of age or older. The median age is 38 years. For every 100 females ...