List of state leaders in 1798

Africa

• Akwa Akpa – Ekpenyong Offiong Okoho, King of Akwa Akpa
• Ashanti Confederacy – Osei Kwame Panyin, Asantehene
• Kingdom of Buganda – Semakokiro
• Bunyoro – Nyamutukura Kyebambe III, Omukama of Bunyoro
• Kingdom of Burundi – Ntare IV Rugamba
• Kingdom of Dahomey – Adandozan
• Ethiopian Empire –
• *Yonas
• *Tekle Giyorgis I
• Kingdom of Kaffa - Hoti Gaocho
• Kingdom of Loango -
• *Tati, the Nganga Mvumbi
• Sultanate of Ndzuwani – Alawi bin Husain
• Wadai Empire – Muhammad Salih Derret ibn Jawda
• Kingdom of Rwanda – Yuhi III
• Zulu – Senzangakhona kaJama, King of the Zulu

  Americas

• United States – John Adams, President of the United States

  Asia

• Alirajpur State – Pratap Singh I
• Durrani Empire – Zaman Shah Durrani
• Burma – Bodawpaya
• China – Jiaqing Emperor
• Jaipur – Pratap Singh
• Empire of Japan
• *Monarch – Kōkaku
• *Tokugawa shogunate – Tokugawa Ienari
• *Ryukyu Kingdom – Shō On
• Joseon – Jeongjo
• Siam – Rama I
• Đại Việt – Nguyễn Quang Toản

  Europe

• Principality of Abkhazia – Kelesh Begi
• Andorra – Francesc Antoni de la Dueña y Cisneros, Bishop of Urgell
• Batavian Republic –
• *# National Assembly of the Batavian Republic
• *# Uitvoerend Bewind of the Batavian Republic
• *# Interim Government of the Batavian Republic
• *# Uitvoerend Bewind of the Batavian Republic
• Kingdom of Denmark–Norway
• * Monarch – Christian VII
• * Minister of State – Christian Günther von Bernstorff
• French First Republic – Directory
• Kingdom of Great Britain –
• *Monarch – George III
• *Prime Minister – William Pitt the Younger
• Helvetic Republic –
• * President of the Executive Directory _
• *# Johann Lukas Legrand
• *# Urs Viktor Oberlin
• *# Pierre Maurice Glayre
• *# Frédéric-César de La Harpe
• *# Peter Ochs
• *# Frédéric-César de La Harpe
• *# Urs Victor Oberlin
• Holy Roman Empire – Franz II
• Kingdom of Ireland – George III
• Knights of Malta – Ferdinand von Hompesch zu Bolheim, Grand Master of the Knights of Malta
• Ottoman Empire
• * Sultan of the Ottoman Empire – Selim III
• *Grand Vizier –
• *# Safranbolulu Izzet Mehmet Pasha
• *# Yusuf Ziyaüddin Pasha
• Kingdom of Portugal and the Algarves –
• *Monarch – Maria I
• *Regent – John, Prince of Brazil
• Kingdom of Prussia – Frederick William III
• Russian Empire – Paul I
• Kingdom of Spain – Charles IV
• Kingdom of Sweden – Gustav IV Adolf
• Grand Duchy of Tuscany – Ferdinand III

  Middle East and North Africa

• Abu Dhabi – Shakhbut bin Dhiyab, Shaikh of Abu Dhabi
• Sultanate of Morocco – Slimane
• Persia – Fat′h Ali Shah Qajar

  Oceania

• Kingdom of Tahiti – Pōmare I
• Tonga – Tukuʻaho, Tuʻi Kanokupolu