List of state leaders in 1021

This is a list of heads of state, government leaders, and other rulers in the year 1021.

Africa

• Fatimid Caliphate –
  1. Al-Hakim bi-Amr Allah (996-1021)
  2. Ali az-Zahir (1021–1036)
  • Ifriqiya – Al-Muizz ibn Badis, Zirid Viceroy (1016–1062)
• Hammadids – Hammad ibn Buluggin (1008–1028)

Asia

• Kingdom of Ani – Hovhannes-Smbat & Ashot IV Qadj (usurper) (1020–1040 & 1021–1039)
• Byzantine Empire – Basil II Bulgaroktonus (976-1025)
• Caliphate (Abbasid) - Al-Qadir, Caliph in Baghdad (991-1031)
• China (Northern Song dynasty) - Emperor Zhenzong (997-1022)
• Ghaznavid Empire – Mahmud of Ghaznavid (998-1030)
• Japan (Heian period) –
  • Monarch – Emperor Go-Ichijō (1016–1036)
  • Regent (Sesshō/Kampaku) - Fujiwara no Yorimichi, Kampaku (1020–1068); Sesshō (1017–1020)
• Khitan Empire – Shengzong (982-1031)
• Khmer Empire – Suryavarman I (1001–1050)
• Korea (Goryeo Kingdom) – Hyeonjong (1009–1031)
• Chola Empire (Tamil Nadu) – Rajendra Chola & Rajadhiraja Chola (1012–1044 & 1054)

Europe

• Kingdom of Burgundy – Rudolf III (993–1032)
  • County of Burgundy – Otto-William (982–1026)
  • County of Provence –
    • William III (1014–1037)
    • William IV (1018–1030)
    • Fulk Bertrand (1018–1051)
  • County of Savoy – Humbert I (1003–1047/1048)
• Byzantine Empire – Basil II the Bulgar-slayer (976–1025)
• Caucasus
  • Bagratuni Kingdom of Armenia –
    1. Hovhannes I (1020–1021)
    2. Ashot IV Qadj (1021–1039)
  • Kingdom of Georgia – George I (1014–1027)
  • Principality of Kakheti – Kvirike III (1010–1029)
• Kingdom of Croatia – Krešimir III (1000–1030)
• Kingdom of Denmark – Canute the Great (1018–1035)
• Kingdom of England – Cnut the Great (1016–1035)
• Kingdom of France – Robert II (996–1031)
  • County of Angoulême – William IV (988–1028)
  • County of Anjou – Fulk III (987–1040)
  • Duchy of Aquitaine – William V (995–1030)
  • County of Blois – Odo II (1004–1037)
  • Duchy of Brittany –
    • Alan III, co-Duke of Brittany (1008–1040)
    • Eudes, co-Duke of Brittany (1008–1034)
  • Duchy of Burgundy – Henry I (1016–1032)
  • County of Flanders – Baldwin IV (987–1035)
  • County of Maine – Herbert I (1015–1036)
  • Duchy of Normandy – Richard II (996–1026)
  • County of Toulouse – William III Taillefer (978–1037)
  • County of Vermandois – Otto (1010–1045)
• Duchy of Gascony – Sancho VI William (1009–1032)
• Holy Roman Empire – Henry II, King of Germany (1002–1024) and Holy Roman Emperor (1014–1024)
  • Duchy of Bavaria – Henry V (1005–1026)
    • March of Austria – Adalbert (1018–1055)
  • Duchy of Bohemia – Oldřich (1012–1033)
  • Duchy of Carinthia – Adalbero (1011–1035)
  • Duchy of Lower Lorraine – Godfrey II (1012–1023)
    • County of Frisia – Dirk III (993–1039)
    • County of Leuven – Henry I (1015–1038)
    • County of Mons – Reginar V (1013–1039)
  • Duchy of Upper Lorraine – Theodoric I (978–1026/1027)
    • County of Bar – Theodoric I (978–1026/1027)
    • County of Luxembourg – Henry I (998–1026)
  • County Palatine of Lotharingia – Ezzo (996–1034)
  • Duchy of Saxony – Bernard II (1011–1059)
    • Saxon Eastern March – Thietmar (1015–1030)
    • Northern March – Bernard (1009–1051)
    • March of Meissen – Herman I (1009–1038)
  • Duchy of Swabia – Ernest II (1015–1030)
• Kingdom of Hungary – Stephen I (1000–1038)
• Ireland - Máel Sechnaill mac Domnaill, High King of Ireland (1014–1022)
  • Ailech - Flaithbertach Ua Néill, King of Ailech (1004–1031)
  • Connacht – Tadg in Eich Gil, King of Connacht (1010–1030)
  • Uí Maine – Concobar mac Tadg Ua Cellaig, King of Uí Maine (1014–1030)
  • Leinster – Augaire mac Dúnlainge, King of Leinster (1018–1024)
  • Kingdom of Mide – Máel Sechnaill mac Domnaill (c. 975–1022)
  • Kingdom of Munster – Dúngal mac Máelfothartaig Hua Donnchada (1014–1025)
• Kingdom of Italy – Henry II (1004–1024)
  • Duchy of Amalfi – Sergius II (1007–1028)
  • Principality of Benevento – Landulf V (1014–1033)
  • Principality of Capua – Pandulf II (1007–1022)
  • Catepanate of Italy – Basil Boioannes (1017–1027)
  • Duchy of Gaeta – John V (1012–1032)
  • March of Montferrat – William III (991–1042)
  • Duchy of Naples – Sergius IV (1002–1036)
  • Papal States – Pope Benedict VIII (1012–1024)
  • Principality of Salerno – Guaimar III (994–1027)
  • Emirate of Sicily – al-Akhal (1019–1037)
  • March of Tuscany – Rainier (1014–1027)
  • Republic of Venice – Otto Orseolo, Doge of Venice (1009–1026)
• Kievan Rus' – Yaroslav I the Wise (1019–1054)
  • Principality of Novgorod – Yaroslav I the Wise (1010–1034)
  • Principality of Polotsk – Bryachislav (1001–1044)
• Kingdom of Norway – Olaf II (1015–1028)
• Poland - Bolesław I the Brave, Duke of Poland (992–1025)
• Kingdom of Alba (Scotland) - Malcolm II (1005–1034)
• Serbia (Duklja) – Vojislav, Prince of Duklja (1018–1043)
• Spain -
  • County of Barcelona – Berengar Raymond I (1018–1035)
  • County of Castile – García Sánchez (1017–1029)
  • Caliphate of Córdoba –
    1. Al-Qasim ibn Hammud al-Ma'mu (1018–1021)
    2. Yahya ibn Ali ibn Hammud al-Mu'tali (1021–1023)
  • Kingdom of León – Alfonso V (999–1028)
    • County of Portugal – Nuno I Alvites (1017–1028)
  • Kingdom of Pamplona – Sancho III (1004–1035)
  • County of Urgell – Ermengol II (1011–1038)
• Kingdom of Sweden – Olof Skötkonung (995–1022)
• Wales -
  • Deheubarth - Llywelyn ap Seisyll, Prince of Deheubarth (1018–1023)
  • Kingdom of Gwent – Edwyn ap Gwriad (1015–1045)
  • Kingdom of Gwynedd – Llywelyn ap Seisyll (1018–1023)

Middle East

• Abbasid Caliphate – Al-Qadir (991-1031)
• Byzantine Empire – Basil II Bulgaroktonus (976-1025)