List of effective International Agreements in the field of social security
(up to 1st January 2019)

  1. Agreement on State Social Security between the Republic of Bulgaria and the Republic of Albania - effective as of 1st May 1953.
  2. 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.
  3. Agreement on social security between the Republic of Bulgaria and Ukraine - effective as of 1st April 2003.
  4. Agreement on social security between the Republic of Bulgaria and the Republic of North Macedonia - effective as of 1st August 2003.
  5. Agreement between the State of Israel and the Republic of Bulgaria on social security - effective as of 1st September 2009.
  6. Agreement on social security between the Republic of Moldova and the Republic of Bulgaria - effective as of 1st September 2009.
  7. Agreement on social security between the Republic of Korea and the Republic of Bulgaria - effective as of 1st March 2010.
  8. Agreement on social security between the Russian Federation and the Republic of Bulgaria - effective as of 20th March 2010.
  9. Agreement on social security between the Republic of Bulgaria and the Republic of Serbia - effective as of 1st February 2013.
  10. Agreement on social security between the Republic of Bulgaria and the Canada - effective as of 1st March 2014.
  11. Agreement on social security between the Republic of Bulgaria and Montenegro – effective as of 1st October 2016.
  12. Agreement on social security between the Republic of Bulgaria and Tunisian Republic – effective as of 1st May 2017.