The population of the United Kingdom was estimated at 67,596,281 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 8,866,180 people in the capital city, London, whose population density was 5,640 inhabitants per square kilometre (14,600/sq mi) in 2022.
The demography of England has since 1801 been measured by the decennial national census, and is marked by centuries of population growth and urbanization. Due to the lack of authoritative contemporary sources, estimates of the population of England for dates prior to the first census in 1801 vary considerably. The population of England at the 2021 census was about 56,489,800.
British Asians are British people of Asian descent. They constitute a significant and growing minority of the people living in the United Kingdom, with a population of 5.76 million people or 8.6% of the population identifying as Asian or Asian British in the 2021 United Kingdom census. This represented an increase from a 6.9% share of the UK population in 2011, and a 4.4% share in 2001.
Hinduism is the third-largest religious group in the United Kingdom, after Christianity and Islam; the religion is followed by over one million people representing around 1.6% of the total population. According to the 2021 United Kingdom census Hindus are primarily concentrated in England, particularly in Greater London and the South East, with just under 50,000 Hindus residing in the three other nations of the United Kingdom. Hindus have had a presence in the United Kingdom since the early 19th century, as at the time India was part of the British Empire. Many Indians in the British Indian Army settled in the United Kingdom of Great Britain and Northern Ireland.
The demography of London is analysed by the Office for National Statistics and data is produced for each of the Greater London wards, the City of London and the 32 London boroughs, the Inner London and Outer London statistical sub-regions, each of the Parliamentary constituencies in London, and for all of Greater London as a whole. Additionally, data is produced for the Greater London Urban Area. Statistical information is produced about the size and geographical breakdown of the population, the number of people entering and leaving country and the number of people in each demographic subgroup. The total population of London as of 2021 is 8,799,800.
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.
British Sikhs number over 535,000 people and account for 0.8% of the British population as of 2021, forming the United Kingdom's fourth-largest religious group. According to the 2021 United Kingdom census, British Sikhs numbered 535,517, with 520,092 in England, 10,988 in Scotland, 4,048 in Wales, and 389 in Northern Ireland. The largest Sikh populations in the United Kingdom are in the West Midlands and Greater London.
This article is intended to give an overview of the demography of Slough. In 2016, Slough had a population of 149,000 people.
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.
The demography of Birmingham, England, is analysed by the Office for National Statistics and data produced for each of the wards that make up the city, and the overall city itself, which is the largest city proper in England as well as the core of the third most populous urban area, the West Midlands conurbation.
The demography of Greater Manchester is analysed by the Office for National Statistics and data is produced for each of its ten metropolitan boroughs, each of the Greater Manchester electoral wards, the NUTS3 statistical sub-regions, each of the Parliamentary constituencies in Greater Manchester, the 15 civil parishes in Greater Manchester, and for all of Greater Manchester as a whole; the latter of which had a population of 2,682,500 at the 2011 UK census. Additionally, data is produced for the Greater Manchester Urban Area. Statistical information is produced about the size and geographical breakdown of the population, the number of people entering and leaving country and the number of people in each demographic subgroup.
Buddhism in the United Kingdom is the fifth-largest religious group in the United Kingdom. The 2021 United Kingdom census recorded just under 290,000 Buddhists, or about 0.4% of the total population, with the largest number of Buddhists residing in Greater London and South East England. According to a Buddhist organisation, the growth of Buddhism in the United Kingdom is mainly a result of conversions.
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.
British Arabs are British citizens of Arab descent. They share a common Arab ethnicity, culture, language and identity from different Arab countries. Arabs also come from non-Arab countries as ethnic minorities.
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.
Southeast Asians have lived in the United Kingdom for several centuries, arriving from Southeast Asia and primarily originating from countries and territories such as the Philippines, Malaysia, Indonesia, Burma, Singapore, Thailand and Vietnam.
Leicester, England is an ethnically and culturally diverse city. It is the thirteenth most populous city in the United Kingdom.
Luton, Bedfordshire, England is an ethnically and culturally diverse town of 203,201 people. It's primarily urban, with a population density of 4,696/km2 (12,160/sq mi). Luton has seen several waves of immigration. In the early part of the 20th century, there was internal migration of Irish and Scottish people to the town. These were followed by Afro-Caribbean and Asian immigrants. More recently immigrants from other European Union countries have made Luton their home. As a result of this Luton has a diverse ethnic mix, with a significant population of Asian descent, mainly Pakistani 29,353 (14.4%) and Bangladeshi 13,606 (6.7%).
Leeds, England is the third most populous city in the United Kingdom.
MixedWhite and Asian 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 a White (unspecificed) ethnic background and Asian (unspecified) ethnic background. This classification is only used in England and Wales, as Scotland and Northern Ireland do not have sub categories for their mixed group options.
United Kingdom: 1,010,209 - 1.5% (2021/22 Census)
England 
Scotland 
Wales 
