Scotland a territorial parish structure, with every community in Scotland having a local congregation. Scotland also has a significant Roman Catholic population, 19% professing that faith, particularly in Greater Glasgow and the north-west. After the Reformation, Roman Catholicism in Scotland continued in the Highlands and some western islands like Uist and Barra, and it was strengthened during the 19th century by immigration from Ireland. Other Christian denominations in Scotland include the Free Church of Scotland, and various other Presbyterian offshoots. Scotland's third largest church is the Scottish Episcopal Church. Islam is the largest non-Christian religion (estimated at around 75,000, which is
Islam in Scotland Scotland had poor English language skills. Muslims in Scotland in 2011 were less likely to be employed full-time (31%) than the general population (51%). Contributing factors for this include Muslims being more likely to be students (19%) than the general population (6%), and 25% of Muslim women 'looking after the home or family', in comparison to 5.6% of women from the overall population. 8.7% of Scottish Muslims were unemployed, whereas 6.3% of the general population were unemployed. Approximately a third of Scottish Muslims working full-time are self-employed, compared with 12% of the general population. Three important mosques in Scotland are