A map of the world and countries with the most people living in the Mediterranean region is available in RTE’s latest edition of the “What’s in your country?” quiz.
This year the Irish Republic is the top country with 5,054,928 people living there, followed by the UK with 4,039,933, the United States with 4.931,852 and Australia with 4 million people.
Ireland is also home to the second largest Irish population after the UK at 5.26 million people, and the Irish population in Europe is expected to increase by around one million by 2023, with the number of people living here expected to exceed the total population of the EU-28 by another one million people by 2031.
The Irish Republic has the highest number of citizens of any EU country at 1.2 million, with Ireland accounting for 8 per cent of the population and more than a quarter of the national debt.
The UK, which is the second-largest country with 1.3 million people in the world, is followed by Germany with 1 million, France with 1,932,857 and Italy with 1 and a half million people respectively.
The US is the third-largest EU country with 486,872 people, followed closely by the United Kingdom at 447,068, France at 421,788 and Spain at 375,769.
The French population is estimated to increase to 2.2 per cent by 2033, up from 1.6 per cent in 2016.
Spain, with 1 billion people, is the country with the second highest proportion of residents who are born abroad.
Spain has a high birth rate in relation to the population, with a median of 8.2 children per 1,000 people in 2020.
The US, with 5.1 million people living abroad, has the lowest birth rate, at 1 per cent.
The United States is the most populous country in the EU at over 30 million people with almost 60 per cent living in cities and more developed areas.
The Netherlands, which has one of the lowest rates of population growth in Europe, has one out of every three people born outside of the country, making it the most diverse country in Europe.
In the EU the UK and France have the highest proportion living in metropolitan areas with more than half the population living in London, the Netherlands and Germany.
The United Kingdom has the most metropolitan areas in Europe with 10 per cent and the United Nations with 9 per cent, while the United Nation’s highest population per capita is the United Arab Emirates with 15 per cent .
The Irish have the second lowest number of population in the European Union at around 700,000.
The Baltic States are also in the top five countries with more people living overseas, followed in ninth place by Estonia, Lithuania and Latvia.
The Nordic countries, Finland and Iceland, have the lowest proportion of people born abroad with Estonia having the lowest at less than 1 per 50 people and Latvia the lowest of all at less more than 1.4 per 50.