Visa requirements for Irish citizens

Visa requirements for Irish citizens are administrative entry restrictions by the authorities of other states placed on citizens of Ireland. As of 13 April 2021, Irish citizens had visa-free or visa on arrival access to 188 countries and territories, ranking the Irish passport 6th in terms of travel freedom (tied with the Dutch, French, Portuguese, and Swedish passports) according to the Henley Passport Index.
As of 2021, Irish citizens are the only nationality in the world, with the right to live and work in both the European Union and the United Kingdom.
Territories and disputed areas.
Visa requirements for Irish citizens for visits to various territories, disputed areas, partially recognized countries and restricted zones:
Non-ordinary passports.
Holders of diplomatic or official passports of Ireland have additional visa-free access to Kuwait. Holders of diplomatic or service passports of any country have visa-free access to Cape Verde, Ethiopia, Mali and Zimbabwe.
Common Travel Area.
The Republic of Ireland and the United Kingdom, together with its Crown Dependencies of Guernsey, Jersey and the Isle of Man make up a Common Travel Area where: 
However, there are occasionally checks on coaches and trains moving between Northern Ireland and the Republic of Ireland. Citizens of third countries must have passports and, if required, visas to travel between the United Kingdom and Republic of Ireland. 
British visas don't enable travel to Ireland for people without agreement with Ireland, and vice versa. Air and sea passengers travelling between the Common Travel Area and the Schengen Area are subject to systematic passport/identity checks.
Right to consular protection in non-EU countries.
As citizens of the European Union, all Irish citizens have the right to seek consular assistance and protection from embassies of fellow EU member states when they are in a non-EU country without an Irish embassy. 
See also List of diplomatic missions of Ireland.