List of effective International Agreements in the field of social security (up to 1st January 2026)

Agreement on social security between the Republic of Bulgaria and Republic of Brazil - effective as of 1st January 2025.

Agreement on social security between the Republic of Bulgaria and the Republic of Albania - effective as of 1st June 2024.

Convention on social security between the Republic of Bulgaria and the Federative Republic of Yugoslavia - effective as of 1st September 1958 – applied with Bosnia and Herzegovina.

Agreement on social security between the Republic of Bulgaria and Ukraine - effective as of 1st April 2003.

Agreement on social security between the Republic of Bulgaria and the Republic of North Macedonia - effective as of 1st August 2003.

Agreement between the State of Israel and the Republic of Bulgaria on social security - effective as of 1st September 2009.

Agreement on social security between the Republic of Moldova and the Republic of Bulgaria - effective as of 1st September 2009.

Agreement on social security between the Republic of Korea and the Republic of Bulgaria - effective as of 1st March 2010.

Agreement on social security between the Russian Federation and the Republic of Bulgaria - effective as of 20th March 2010, amended effective as of 20th June 2020.

Agreement on social security between the Republic of Bulgaria and the Republic of Serbia - effective as of 1st February 2013.

Agreement on social security between the Republic of Bulgaria and the Canada - effective as of 1st March 2014.

Agreement on social security between the Republic of Bulgaria and Montenegro – effective as of 1st October 2016.

Agreement on social security between the Republic of Bulgaria and Tunisian Republic – effective as of 1st May 2017.

Agreement on pension insurance between the Republic of Bulgaria and Republic Azerbaijan – effective as of 4st May 2020.

Agreement on social security between Republic of Bulgaria and Quebec - effective as of 1st September 2020.