Current Heirs
Empires
| Country | Photo | Monarch | Since |
|---|---|---|---|
| Austria-Hungary | Charles II | 4 July 2011 | |
| Brazil | Pedro V | 27 December 2007 | |
| Germany | Georg Friedrich | 26 September 1994 | |
| Russia | Maria II | 21 April 1992 |
Kingdoms
| Country | Photo | Monarch | Since |
|---|---|---|---|
| Albania | |||
| Bavaria | Franz | 8 July 1996 | |
| Belgium | Leopold IV | 31 July 1993 | |
| Bulgaria | Simeon II | 28 August 1943 | |
| Denmark | Margrethe II | 14 January 1972 | |
| Finland | Filip | 18 November 1999 | |
| France | Jean IV | 21 January 2019 | |
| Greece | Paul II | 10 January 2023 | |
| Hanover | Ernest Augustus IV | 9 Dec 1987 | |
| Italy | Victoria | 3 February 2024 | |
| Montenegro | |||
| the Netherlands | Casimir | 12 August 2013 | |
| Norway | Harald V | 17 January 1991 | |
| Portugal | Duarte III | 24 December 1976 | |
| Prussia | Georg Friedrich | 26 September 1994 | |
| Romania | Margareta | 5 December 2017 | |
| Sardinia | Victoria | 3 February 2024 | |
| Saxony | Alexander | 23 July 2012 | |
| Spain | Juan II | 19 June 2014 | |
| Sweden | Carl XVI Gustaf | 15 September 1973 | |
| the Two Sicilies | Pietro | 5 October 2015 | |
| United Kingdom | James IV | 12 October 2016 | |
| Wurttemberg | |||
| Yugoslavia |
Grand Duchies
| Country | Photo | Monarch | Since |
|---|---|---|---|
Duchies
| Country | Photo | Monarch | Since |
|---|---|---|---|
Principalities
| Country | Photo | Monarch | Since |
|---|---|---|---|