List of state leaders in 1000

999 state leaders – Events of 1000 – 1001 state leaders – State leaders by year

Africa

Fatimid Caliphate - Al-Hakim bi-Amr Allah (996-1021)
- Ifriqiya - Badis ibn Mansur, Zirid Viceroy (995-1016)
Makuria - Rafael, King of Makuria (1000–1006)

Asia

Abbasid Caliphate - Al-Qadir, Caliph of Baghdad (991-1031)
Emirate of Aleppo - Sa'id ud-Dawlah Sa'id (991-1002)
Assam - Brahmapala, King of Assam (990-1010)
Emirate of Bokhara - Ismail II (999-1004)
Buyid Empire - Firuz Abu Nasr Baha' al-Dawla, Emir of Iraq and Fars (988-1012)
Byzantine Empire - Basil II (976-1025)
Chera - Bhaskara Ravivarman I, King of Chera (962-1019)
Chalukya - Satyasraya Irivabedanga, King of Chalukya (997-1008)
China -
- Northern Song Dynasty - Emperor Zhenzong (997-1022)
- Liao Dynasty -
  - Monarch - Shengzong, Emperor of Liao (983-1031)
  - de facto - Empress Xiao (982-1009)
- Kingdom of Dali - Duan Suying (986-1009)
- Western Xia - Li Jiqian, King of Xia (984-1004)
Chola - Raja Raja Chola I, King of Chola (985-1012)
Emirate of Ghazni - Mahmud (998-1030)
Gujarat - Chamundaraja, King of Gujarat (995-1010)
Japan (Heian period) -
- Monarch - Emperor Ichijō (986-1011)
- de facto - Fujiwara no Michinaga (995-1017)
Korea (Goryeo Kingdom) - Mokjong (997-1009)
Malwa - Sindhuraja, King of Malwa (995-1010)
Manipur - Kainou Irengba, King of Manipur (983-1073)
Kingdom of Mataram - Dharmawangsa (985-1006)
Emirate of Mosul - Husan ud-Dawlah al-Muqallad (996-1001)
Emirate of Multan - Nasr ibn Hamid (997-?)
Orissa -
1. Yayati Mahsivagupta I, King of Orissa (970-1000)
2. Bhimaratha Mahabhavagupta, King of Orissa (1000–1015)
Pala - Mahiapala I, King of Pala (988-1038)
Persia - Shams al-Mo'ali Abol-hasan Ghaboos ibn Wushmgir (976-1012) of the Ziyarids
Pratihara - Rajyapala, King of Pratihara (c.990-1018)
Saurashtra - Kawat I, King of Saurashtra (982-1003)
Sind - Member of the Hibari clan, Emir of Sind (dynasty ruled 850-1005)
Emirate of Transoxiana - Ahmad Nasr al-Haqq Qutb ad-Dawla (998-1017)
Western Ganga - Rakkasa Ganga, King of Western Ganga (985-1024)

Europe

Bulgaria - Samuil, Tsar of Bulgaria (977–1014)
Kingdom of Burgundy - Rudolf III (993–1032)
- County of Burgundy - Otto-William (982–1026)
- County of Provence -
  - Rotbold II (968–1008)
  - William II (993–1018)
Byzantine Empire - Basil II the Bulgar-slayer (976–1025)
Caucasus
- Bagratuni Kingdom of Armenia - Gagik I (989–1020)
- Kingdom of Georgia - Gurgen (994–1008)
- Principality of Kakheti - David (976–1010)
- Klarjeti - Sumbat III, Prince of Klarjeti (993–1011)
Kingdom of Croatia -
1. Svetoslav Suronja (997–1000)
2. Krešimir III co-King (1000–1030)
3. Gojslav co-King (1000–1020)
Kingdom of Denmark - Sweyn I (985/986–1014)
Kingdom of England - Æthelred the Unready (978–1013)
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 - Theobald II (995–1004)
- Duchy of Brittany - Geoffrey I (992–1008)
- Duchy of Burgundy - Eudes-Henry (965–1002)
- County of Flanders - Baldwin IV (987–1035)
- County of Maine - Hugh III (992–1015)
- Duchy of Normandy - Richard II (996–1026)
- County of Toulouse - William III Taillefer (978–1037)
- County of Vermandois -
  1. Herbert III (987–1000)
  2. Albert II (c. 1000–1010)
Duchy of Gascony - Bernard I William (996–1009)
Holy Roman Empire - Otto III (996–1002)
- Duchy of Bavaria - Henry IV (995–1005)
  - March of Austria - Henry I (994–1018)
  - March of the Nordgau - Henry of Schweinfurt (994–1004)
- Duchy of Bohemia - Boleslav III (999–1002)
- Duchy of Carinthia - Henry IV (995–1002)
- Duchy of Lower Lorraine - Otto (977–1012)
  - County of Frisia - Dirk III (993–1039)
  - County of Mons - Reginar IV (998–1013)
  - County of Namur - Albert I (c. 981–1011)
- 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 I (973–1011)
  - Saxon Eastern March - Gero II (993–1015)
  - Northern March - Lothair (983–1003)
  - March of Meissen - Ekkehard I (985–1002)
- Duchy of Swabia - Hermann II (997–1003)
Kingdom of Hungary - Stephen I (1000–1038)
Ireland - Máel Sechnaill mac Domnaill, High King of Ireland (980–1002)
- Ailech - Áed mac Domnaill Ua Néill, King of Ailech (989–1004)
- Connacht - Cathal mac Conchobar mac Taidg, King of Connacht (973–1010)
- Uí Maine - Tadhg Mór Ua Cellaigh, King of Uí Maine (985–1014)
- Leinster - Donnchad mac Domnall Claen, King of Leinster (984–1003)
- Kingdom of Mide - Máel Sechnaill mac Domnaill (c. 975–1022)
- Munster - Brian Boru, King of Munster (978–1014)
Kingdom of Italy - Otto III
- Duchy of Amalfi - Manso I (966–1004)
- Principality of Benevento - Pandulf II (981–1014)
- Principality of Capua - Landulf VII (999–1007)
- Catepanate of Italy - Gregory Tarchaneiotes (998–1006)
- Duchy of Gaeta - John III (984–1008)
- March of Ivrea - Arduin (c. 990–1015)
- March of Montferrat - William III (991–1042)
- Duchy of Naples - John IV (997–1002)
- Papal States - Pope Silvester II (999–1003)
- Principality of Salerno - Guaimar III (994–1027)
- Emirate of Sicily - Ja'far al-Kalbi (998–1019)
- March of Tuscany - Hugh (961–1001)
- Republic of Venice - Pietro II Orseolo, Doge of Venice (991–1009)
Kievan Rus' - Vladimir I (980–1015)
- Principality of Polotsk - Izyaslav (989–1001)
- Principality of Rostov - Yaroslav I the Wise (996–1010)
- Principality of Turov - Sviatopolk Vladimirovich (997–1019)
Kingdom of Norway -
1. Olaf I (995–1000)
2. Sveinn Hákonarson, Regent (1000–c. 1015)
3. Eiríkr Hákonarson, Regent (1000–1012)
4. Sweyn I (1000–1014)
Poland - Bolesław I the Brave, Duke of Poland (992–1025)
Kingdom of Alba (Scotland) - Kenneth III (997–1005)
Serbia -
1. Petrislav, (c. 992–1000)
2. Jovan Vladimir (c. 1000–1016)
Spain -
- County of Barcelona - Ramon Borrell (993–1017)
- County of Castile - Sancho García (995–1017)
- Caliphate of Córdoba -
  - Hisham II (976–1009)
  - Al-Mansur Ibn Abi Aamir, Hajib (978–1002)
- Kingdom of León - Alfonso V (999–1028)
  - County of Portugal - Mendo II Gonçalves (997–1008)
- Kingdom of Pamplona - García Sánchez II (994–1004)
  - Kingdom of Viguera - Sancho Ramírez (c. 991–c. 1002)
- County of Urgell - Ermengol I (993–1011)
Kingdom of Sweden - Olof Skötkonung (995–1022)
Wales -
- Kingdom of Gwynedd - Cynan ap Hywel (999–1005)