The population of the United Kingdom was estimated at almost 67.6 million people in 2022. It is the 21st most populated country in the world and has a population density of 279 people per square kilometre, with England having significantly greater density than Wales, Scotland, and Northern Ireland. Almost a third of the population lives in south east England, which is predominantly urban and suburban, with 8.9 million in the capital city, London, whose population density was 5,640 inhabitants per square kilometre (14,600/sq mi) in 2022.
Demographics of Wales include the numbers in population, place of birth, age, ethnicity, religion, and number of marriages in Wales.
Anglo-Celtic Australians is an ancestral grouping of Australians whose ancestors originate wholly or partially in the British Isles - predominantly in England, Ireland, Scotland and Wales, as well as the Isle of Man and Channel Islands.
A nationwide census, known as Census 2001, was conducted in the United Kingdom on Sunday, 29 April 2001. This was the 20th UK census and recorded a resident population of 58,789,194.
The United Kingdom is an ethnically diverse society. The largest ethnic group in the United Kingdom is White British, followed by Asian British. Ethnicity in the United Kingdom is formally recorded at the national level through a census. The 2011 United Kingdom census recorded a reduced share of White British people in the United Kingdom from the previous 2001 United Kingdom census. Factors that are contributing to the growth of minority populations are varied in nature, including differing birth rates and Immigration.
Black British people are a multi-ethnic group of British people of either African or Afro-Caribbean descent. The term Black British developed in the 1950s, referring to the Black British West Indian people from the former Caribbean British colonies in the West Indies sometimes referred to as the Windrush Generation and Black British people descending from Africa.
The demography of Scotland includes all aspects of population, past and present, in the area that is now Scotland. Scotland had a population of 5,463,300 in 2019. The population growth rate in 2011 was estimated as 0.6% per annum according to the 2011 GROS Annual Review.
White British is an ethnicity classification used for the indigenous White population identifying as English, Scottish, Welsh, Cornish, Northern Irish, or British in the United Kingdom Census. In the 2011 census, the White British population was 49,997,686, 81.5% of Great Britain's total population. For the United Kingdom entirely, due to different reporting measures within Northern Ireland which includes all those who identified as British with those who identified as Irish, an amalgamated total of 52,320,080 including those who identified as White Irish in Great Britain is given making up 82.8% of the population.
Mixed is an ethnic group category that was first introduced by the United Kingdom's Office for National Statistics for the 2001 Census. Colloquially, it refers to British citizens or residents whose parents are of two or more races or ethnic backgrounds. The Mixed or Multiple ethnic group numbered just under 1.8 million in the 2021 United Kingdom census or 2.7% of the total UK population.
A number of different systems of classification of ethnicity in the United Kingdom exist. These schemata have been the subject of debate, including about the nature of ethnicity, how or whether it can be categorised, and the relationship between ethnicity, race, and nationality.
The term Other White, or White Other, is a classification of ethnicity in the United Kingdom, used in documents such as the 2021 United Kingdom Census, to describe people who identify as white persons who are not of the English, Welsh, Scottish, Roma, Irish or Irish Traveller ethnic groupings. In Scotland, the term Other White is also used to refer collectively to those not of Scottish or Other British ethnicity, in which case it also includes those of a Gypsy, Roma, Irish or Irish Traveller background.
Northern Ireland is the smallest of the four components of the United Kingdom in terms of both area and population, containing 2.9% of the total population and 5.7% of the total area of the United Kingdom. It is the smaller of the two political entities on the island of Ireland by area and population, the other being the Republic of Ireland. Northern Ireland contains 27.1% of the total population and 16.75% of the total area of the island of Ireland.
White Irish is an ethnicity classification used in the census in the United Kingdom for England, Scotland and Wales. In the 2021 census, the White Irish population was 564,342 or 0.9% of Great Britain's total population. This was a slight fall from the 2011 census which recorded 585,177 or 1% of the total population.
A census of the population of the United Kingdom is taken every ten years. The 2011 census was held in all counties of the UK on 27 March 2011. It was the first UK census which could be completed online via the Internet. The Office for National Statistics (ONS) is responsible for the census in England and Wales, the General Register Office for Scotland (GROS) is responsible for the census in Scotland, and the Northern Ireland Statistics and Research Agency (NISRA) is responsible for the census in Northern Ireland.
The Scottish people or Scots are an ethnic group and nation native to Scotland. Historically, they emerged in the early Middle Ages from an amalgamation of two Celtic peoples, the Picts and Gaels, who founded the Kingdom of Scotland in the 9th century. In the following two centuries, Celtic-speaking Cumbrians of Strathclyde and Germanic-speaking Angles of Northumbria became part of Scotland. In the High Middle Ages, during the 12th-century Davidian Revolution, small numbers of Norman nobles migrated to the Lowlands. In the 13th century, the Norse-Gaels of the Western Isles became part of Scotland, followed by the Norse of the Northern Isles in the 15th century.
Cornwall is a unitary authority and ceremonial county of England in the United Kingdom. At the 2011 census it had a population of 532,000. Cornwall is the homeland of the Cornish people, and many within Cornwall identify with a Cornish ethnic or national identity, although, due to Cornwall's political status as part of England and the United Kingdom, as well as in-migration from other parts of the UK and EU, additional identities such as English, British, and European may also be adopted.
White: Gypsy or Irish Traveller is an ethnicity classification used in the 2011 United Kingdom Census. In the 2011 census, the White: Gypsy or Irish Traveller population was 63,193 or about 0.1 per cent of the total population of the country. The ethnicity category may encompass populace from the distinct ethnic groups of Romanichal Travellers or Irish Travellers, and their respective related subgroupings, who identify as, or are perceived to be, white people in the United Kingdom.
White people in the United Kingdom are the native, multi-ethnic group of UK residents who identify as and are perceived to be 'white people'. White people constitute the historical and current majority of the people living in the United Kingdom, with 83.0% of the population identifying as white in the 2021 United Kingdom census.
Mixed White and Black African people in the United Kingdom are a multi-ethnic and biracial group of UK-residents who identify with, or are perceived to have, both White and Black African ancestry.
In the 2011 Scottish census conducted by the Scottish Government, Scotland's population was recorded to be 96% White, a 2% decrease from the previous census held in 2001. 91.8% of Scotland's population claimed to be White Scottish or White: Other British, whilst 4.2% were recorded as Polish, Irish, Gypsy/Traveller or ‘White: Other’. The recorded population of Asian, African, Caribbean or Black, Mixed or Other ethnic groups doubled to 4% in the 2011 census.
Great Britain: 705,080 – 1.1% 
England: 592,562 – 1.1% (2021) [1] 
Scotland: 90,736 – 1.7% (2022) [2] 
Wales: 21,782 – 0.7% (2021) [1] 
