Thu 07 Jul 2006400,000 foreign nationals living inthe StateMigration figures: High levels of inward migration into Ireland mean that 10 per cent of the population - or 400,000 people - consists of foreign nationals, census figures indicate. Ireland now has a proportion of foreign nationals similar to that of countries with a much longer history of immigration, such as the UK or US. A breakdown of the nationality of foreign nationals will not be published until next year.