1027 state leaders - Events of 1028 - 1029 state leaders - State leaders by year

Africa

• Algeria (Hammadid) - Qaid ibn Hammad (1028-1045)
• Egypt (Fatimids) - Ali az-Zahir , Fatimid caliph (1021-1035)
  • Ifriqiya (Zirid) - Muizz ibn Badis (1015-1062)

Americas

Asia

• Ani - Hovhannes I of Ani & Achot IV Qadj (usurper), Kings of Ani (1020-1040 & 1021-1039)
• Caliphate (Abbasid) - Al-Qadir, Caliph in Baghdad (991-1031)
• China (Northern Song Dynasty) - Renzong, Emperor of Song China (1022-1063)
• Ghaznavid Empire - Mahmud of Ghaznavid (998-1030)
• Japan -
  • Monarch - Go-Ichijo, Emperor of Japan (1016-1036)
  • Regent (Kampaku) - Fujiwara no Yorimichi, Kampaku (1020-1068); Sessho (1017-1020)
• Khitan Empire - Shengzong, Khitan Emperor (982-1031)
• Khmer Empire - Suryavarman I (1001-1050)
• Korea (Goryeo Dynasty) - Hyeonjong , King of Goryeo (1009-1031)
• Tamil Nadu - Rajendra Chola & Rajadhiraja Chola , Kings of Tamil Nadu (1012-1044 & 1054)

Europe

• Barcelona - Berenguer Ramon I , Count of Barcelona (1018-1035)
• Byzantine Empire - Basil II Bulgaroktonus, Byzantine emperor (976-1025)
• Cordoba - Hisham III, Caliph of Cordoba (1027-1031)
• Denmark, England & Norway - Canute the Great, King of England, Denmark & Norway (1014-1035) (Denmark from 1018, Norway from 1028)
• France - Robert II the Pious (996-1031)
  • Anjou - Fulk III the Black, Count of Anjou (987-1040)
  • Aquitaine - William V the Great, Duke of Aquitaine (995-1030)
  • Brittany - Alan III of Rennes, Duke of Brittany (1008-1030)
  • Champagne - Odo II , Count of Champagne (1022-1037
  • Flanders - Baldwin IV the Bearded, Count of Flanders (988-1037)
  • Normandy
    1. Richard III, Duke of Normandy (1027-1028)
    2. Robert the Devil Duke of Normandy (1028-1035)
• Georgia - Bagrat IV , King of Georgia (1027-1072)
• Holy Roman Empire - Conrad II, Roman Emperor (1024-1039)
  • Austria - Adalbert, Margrave of Austria (1018-1055)
  • Baden - Berthold I , Margrave of Baden (1024-1077)
  • Bavaria - Henry VI the Black, Duke of Bavaria (1026-1041)
  • Bohemia - Oldrich, Duke of Bohemia (1012-1033)
  • Lower Lorraine - Gothelo , Duke of Lower Lorraine (1023-1044)
  • Lorraine - Friedrich II , Duke of Upper Lorraine (1027-1033)
  • Palatinate - Ezzo of Lorraine , Count Palatine of the Rhine (994-1034)
  • Saxony - Bernard II , Duke of Saxony (1011-1059)
  • Savoy - Umberto I Biancamano, Count of Savoy (1003-1047)
  • Swabia - Ernest II , Duke of Swabia (1015-1030)
• Hungary - Stephen I, King of Hungary (997-1038)
• Kyiv - Yaroslav, Grand Duke of Kyiv (1019-1054)
• Leon - Bermudo III , King of Leon (1028-1037)
• Navarre - Sancho III the Great, King of Navarre (1000-1035)
• Poland - Mieszko II Lambert, King of Poland (1025-1034)
• Scotland - Malcolm II, King of Scotland (1005-1034)
• Sweden - Anund Jacob, Kings of Sweden (1022-1050)
• Venice - Pietro Barbolano , Doge of Venice (1026-1032)
• Wales (List of rulers of Wales)
  • Glywysing - Hywel ab Owain & Rhydderch ap Iestyn (990-1043 & 1015-1033)
  • Gwent - Edwyn ap Gwriad (1015-1045)
  • Gwynedd - Iago ap Idwal ap Meurig , Prince of Gwynedd (1023-1039)