As of April 2023, the population of the Republic of Ireland was estimated to be 5,281,600, up from 5,184,000 in 2022. The population of the entire island of Ireland is just over 7 million, with 5.1 million living in the Republic of Ireland and 1.9 million in Northern Ireland. The population of Ireland has been growing in recent years, with the most significant factor driving the population higher being net migration of 77,600. The excess of births over deaths also contributes to the population growth, which was 20,000 in 2022. The population distribution is weighted to the eastern side of the island, with the largest concentration being in and around Dublin.

Here are some population figures for Ireland:

• Population of the Republic of Ireland as of April 2023: 5,281,600
• Population of the entire island of Ireland as of 2022: just over 7 million, with 5.1 million living in the Republic of Ireland and 1.9 million in Northern Ireland
• Net migration in the past year: 77,600
• Excess of births over deaths in 2022: 20,000