Changes to heads of state and government in 2021

Notable Changes

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January

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Country Office Mandate start Portrait New leader name Portrait Previous leader name Reason for change Head of state or government
  Laos General Secretary of the Central Committee of the Lao People's Revolutionary Party 15 January 2021   Thongloun Sisoulith   Bounnhang Vorachit Election Head of State and Government
  Mongolia Prime Minister of Mongolia 27 January 2021 File:OyunErdene Minister.jpg Luvsannamsrain Oyun-Erdene   Ukhnaagiin Khürelsükh Election Head of Government
  Kyrgyzstan President of the Kyrgyz Republic 28 January 2021   Sadyr Japarov   Talant Mamytov Election Head of State and Government

February

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Country Office Mandate start Portrait New leader name Portrait Previous leader name Reason for change Head of state or government
  Myanmar Chairman of the State Administration Council 2 February 2021   Min Aung Hlaing Role created Coup d'etat Head of State and Government

March

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Country Office Mandate start Portrait New leader name Portrait Previous leader name Reason for change Head of state or government
  Libya Prime Minister of the State of Libya 15 March 2021   Abdul Hamid Dbeibeh   Fayez al-Sarraj Unification Head of Government
  Libya Chairman of the Presidential Council of the State of Libya 15 March 2021   Mohamed al-Menfi   Fayez al-Sarraj Unification Head of State
  Tanzania President of the United Republic of Tanzania 19 March 2021   Samia Suluhu Hassan   John Magufuli Death Head of State and Government

April

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Country Office Mandate start Portrait New leader name Portrait Previous leader name Reason for change Head of state or government
  Niger President of the Republic of Niger 2 April 2021   Mohamed Bazoum   Mahamadou Issoufou Election Head of State
  Niger Prime Minister of the Republic of Niger 3 April 2021   Ouhoumoudou Mahamadou   Brigi Rafini Election Head of Government
  Chad de Facto President of the Republic of Chad 20 April 2021 Mahamat Déby   Idriss Déby Death/Coup d'état Head of State and Government
  Democratic Republic of the Congo Prime Minister of the Democratic Republic of the Congo 27 April 2021   Jean-Michel Sama Lukonde Sylvestre Ilunga Motion of no confidence Head of Government
Country Office Mandate start Portrait New leader name Portrait Previous leader name Reason for change Head of state or government
  Republic of the Congo Prime Minister of the Republic of Congo 12 May 2021 Anatole Collinet Makosso   Clément Mouamba Resignation Head of Government
  Mali President of the Republic of Mali 24 May 2021   Assimi Goïta   Bah Ndaw Deposition Head of State

June

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Country Office Mandate start Portrait New leader name Portrait Previous leader name Reason for change Head of state or government
  Mali Prime Minister of the Republic of Mali 6 June 2021   Choguel Kokalla Maïga   Moctar Ouane Deposition Head of Government
  Israel Prime Minister of Israel 13 June 2021   Naftali Bennett   Benjamin Netanyahu Election Head of Government
  Mongolia President of Mongolia 13 June 2021   Ukhnaagiin Khürelsükh   Khaltmaagiin Battulga Election Head of State
  Algeria Prime Minister of Algeria 30 June 2021   Aymen Benabderrahmane   Abdelaziz Djerad Resignation Head of Government

July

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Country Office Mandate start Portrait New leader name Portrait Previous leader name Reason for change Head of state or government
  Israel President of Israel 7 July 2021   Isaac Herzog   Reuven Rivlin Election Head of State
  Nepal Prime Minister of Nepal 13 July 2021   Sher Bahadur Deuba   KP Sharma Oli Court Order Head of Government
  Eswatini Prime Minister of Eswatini 16 July 2021 Cleopas Dlamini   Ambrose Mandvulo Dlamini Death Head of Government

August

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Country Office Mandate start Portrait New leader name Portrait Previous leader name Reason for change Head of state or government
  Iran President of the Islamic Republic of Iran 3 August 2021   Ebrahim Raisi   Hassan Rouhani Election Head of Government
  Malaysia Prime Minister of Malaysia 21 August 2021 Ismail Sabri Yaakob   Muhyiddin Yassin Election Head of Government
  Zambia President of the Republic of Zambia 24 August 2021   Hakainde Hichilema   Edgar Lungu Election Head of State and Government

September

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Country Office Mandate start Portrait New leader name Portrait Previous leader name Reason for change Head of state or government
  Lebanon President of the Council of Ministers of Lebanon 10 September 2021   Najib Mikati   Hassan Diab Resignation Head of Government

October

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Country Office Mandate start Portrait New leader name Portrait Previous leader name Reason for change Head of state or government
  Guinea President of Guinea 1 October 2021   Mamady Doumbouya   Alpha Condé Coup d'état Head of State and Government
  São Tomé and Príncipe President of the Democratic Republic of São Tomé and Príncipe 2 October 2021   Carlos Vila Nova   Evaristo Carvalho Election Head of State
  Japan Prime Minister of Japan 4 October 2021   Fumio Kishida   Yoshihide Suga Resignation Head of Government
  Tunisia Prime Minister of Tunisia Designate Najla Bouden Romdhane   Hichem Mechichi Dismissal Head of Government