inland. Swansea is exposed to rain-bearing winds from the Atlantic. Demographics From 1804 until the 1920s, Swansea experienced continuous population growth. The 1930s and 1940s was a period of slight decline. In the 1950s and 1960s, the population grew and then fell in the 1970s. The population grew again in the 1980s only to fall again in the 1990s. In the 21st century, Swansea is experiencing a small amount of population growth; the local authority area had an estimated population of 228,100 in 2007. However, by the 2021 census, this population growth has reversed its trend very slightly with the population declining by 0.2% Around 82% of the population were born in Wales and 13% born in England; 13.4% were Welsh speakers. The population of the Swansea built-up area within the unitary authority boundaries in 2011 was about 179,485, and the council population was 238,700. The other built-up areas within the unitary authority are centred on Gorseinon and Pontarddulais. In 2011, the Gorseinon built-up area had a population of 20,581 and the Pontarddulais built-up area had a population of 9,073. The wider urban area, including most of Swansea Bay, has a total population of 300,352, making it the third largest urban area in Wales and the 27th largest urban area in the United Kingdom. Over 218,000 individuals are white; 1,106 are of mixed race; 2,215 are Asian – mainly Bangladeshi (1,015); 300 are black; and 1,195 belong to other ethnic groups. The Office for National Statistics 2010 mid-year population estimate for the City & County of Swansea is 232,500. Religion In 2001, 158,457 people in the local authority area (71 per cent) stated their religion to be Christian, 44,286 (20 per cent) no religion, 16,800 (7.5 per cent) did not state a religion and 2,167 were Muslim. There are small communities of other religions, each making up a little under 1 per cent of the total population. Swansea is part of the Anglican Diocese of Swansea and Brecon and the Roman Catholic Diocese of Menevia. The Catholic see is based in Swansea at St. Joseph's Cathedral in the Greenhill area. Swansea, like Wales in general, has seen many Non-conformist religious revivals. In 1904, Evan Roberts, a miner from Loughor (Llwchwr), just outside Swansea, was the leader of what has been called one of the world's greatest Protestant religious revivals. Within a few months, about 100,000 people were converted. This revival