Demographic topics include basic statistics, most populous cities, and religious affiliation.

[6] [7][8] In 2020, 64% of children born in Luxembourg were to mothers of foreign origin, both from other EU member states and from non-EU countries.

For some years, there has also been a large increase in the number of immigrants and asylum seekers from the countries of Eastern Europe, and especially the new republics to have emerged from the former Yugoslavia (Bosnia and Herzegovina, Serbia and Montenegro).

[13] A more detailed breakdown by nationality[12] shows that the Portuguese community is still the largest group, accounting for around 30% of the foreign population.

[17] The predominant religion of the Luxembourg population is Roman Catholic, with Protestant, Anglican, Jewish, Muslim and Hindu minorities.

According to a 1979 law, the government forbids collection of data on religious practices, but over 90% is estimated to be baptized Catholic (the Virgin Mary is the Patroness of the city of Luxembourg).