This is a list of national days of mourning since 2020. It does not include annual remembrance events. A gray row indicates that the mourning period was unofficial or specific to a selected region.

2020

Country Reason Notes Iran 3 Assassination of Qasem Soleimani, commander of IRGC's Quds Force, in a U.S. airstrike in Baghdad, Iraq A three-day national mourning was announced on 4 to 6 January. Iraq Libya3Victims of an airstrike in eastern Libya Chad1Death of former prime minister Djimrangar Dadnadji Malta1Death of Prospero Grech Iran 1 Victims of the stampede at Kerman crowd incident and the crash of Ukraine International Airlines Flight 752 9 January was declared a day of national mourning. Ukraine 1 Victims of the crash of Ukraine International Airlines Flight 752 Oman3Death of Oman's Sultan Qaboos bin Said Al Said Work for both public and private sectors were suspended for three days. Entertainment and cultural events canceled. Kuwait11–13 January were public sector holidays. Saudi ArabiaHowever, flags weren't at half-mast Qatar United Arab Emirates Bahrain Lebanon Egypt India 1 Entertainment events were canceled on 13 January. Bangladesh Niger 3 Soldiers killed in the Battle of Chinagodrar Burkina Faso2Victims of 2020 Burkina Faso attacks Kosovo1Death of Sami Thaqi Czech Republic 1 Death of Chairman of the Senate of the Czech Republic Jaroslav KuberaFlags lowered to half-mast. Kenya 9 Death of the former president of Kenya Daniel arap Moi Kosovo1Death of Nexhmije Pagarusha Mozambique7Death of Marcelino dos Santos Mozambique2Death of former Prime Minister Mario Machungo Egypt 3Death of former president of Egypt Hosni Mubarak United Arab Emirates1 Nicaragua3Death of Ernesto Cardenal Liberia3Death of Liberian Ambassador to Senegal Mary-Ann Fossung Peru2Death of former Prime Minister and former UN Secretary General Javier Pérez de Cuéllar Burkina Faso3Victims of the 2020 Dinguila and Barga attacks Guinea1Footballers killed in a bus crash Chad3Victims of 2020 Boko Haram attack Mexico 33Victims of the COVID-19 pandemic In the evening edition of the Official Gazette of the Federation (DOF) a decree was published in which it is established that, as a sign of mourning, the National Flag would be hoisted at half mast, during the period from 13 August to 11 September 2020. A second period of mourning, for 3 days, were declared starting from 31 October – 2 November 2020. Ecuador 15 Spain 10 National mourning from 27 May to 5 June. This is the longest period of national mourning in Spain since its transition to democracy. Brazil7 First 3 days decreed in May, the following 4 in August South Africa 5 National mourning on 25–29 November. Also decreed for gender-based and femicide victims. Andorra3 Italy131 March was national day of mourning. China 4 April was national day of mourning. Hong Kong4 April was national day of mourning Macao Holy See 31 March was national day of mourning, Vatican mourns for Coronavirus deaths from Italy and for the world Kazakhstan 13 July was national day of mourning. Kyrgyzstan 30 July was national day of mourning. Portugal2 November day of national mourning, to coincide with All Souls Day. Sahrawi Arab Democratic Republic 7Death of Mhammad Jadad Somalia3Death of former Prime Minister Nur Hassan Hussein Comoros3Death of Grand Mufti of Comoros South Sudan3Death of Mansour Khalid South Africa3Death of Denis Goldberg Laos5Death of former Prime Minister Sisavath Keobounphanh Uruguay3Killing of 3 Uruguayan young marines Jamaica7Death of Shahine Robinson Kenya14Death of President of Burundi Pierre Nkurunziza RwandaFlags at half mast. UgandaFlags at half mast. Burundi7In the section on other matters, the government announced the suspension of all non-religious music in public places during the presidential mourning period. The seven-day national mourning was announced on 9 June, the day after the president's death. A government statement said music in bars, nightclubs and karaoke sessions had been suspended. It was announced that only weddings and funerals were allowed. On 26 June, the president's funeral was declared a day off. On that day, offices, schools and companies were closed. Tanzania3 Cuba1 Mali3Victims of a terrorist attacks in Diabaly Namibia3Death of Martin Lazarus Shipanga United States Virgin Islands1Murder of George Floyd Equatorial Guinea3Death of First president of the Chamber of Deputies Santiago NsobeyaNational mourning on 11–13 July. Flags at half mast. Ivory Coast8Death of Prime Minister Amadou Gon Coulibaly Tanzania7Death of former Tanzanian President Benjamin Mkapa Kenya3 Uganda Burundi Rwanda East African Community Bolivia3Death of Óscar Urenda Barbados3Death of former Prime Minister Owen Seymour Arthur Niue1Death of former Premier Toke Talagi Taiwan3Death of former president Lee Teng-hui Cuba1Death of Eusebio Leal Liberia5Death of Munah Pelham-Youngblood Lebanon3Victims of the 2020 Beirut explosion Palestine1 Venezuela3Death of Darío Vivas Vietnam2Death of former Party Chief Le Kha Phieu Zambia3Death of former Vice President Alexander Grey Zulu Georgia1Victims of an accident near Dusheti Haiti3Death of Monferrier Dorval India7 Death of former president of India Pranab MukherjeeNational mourning from 31 August to 6 September. Official entertainment events canceled. Bangladesh12 September was declared a day of national mourning. Mali3Death of former president Moussa Traoré Zambia1Death of Ephraim Chibwe Ukraine1Victims of the 2020 Chuhuiv An-26 crash26 September is the day of national mourning. Kuwait 40 Death of Emir Sabah Al-Ahmad Al-Jaber Al-SabahKuwaiti government announced 40 days of national mourning, while deciding to close government and official institutions for three days starting on Tuesday. JordanFlags flown at half-mast for 40 days of national mourning, including 3 days of general mourning. Arab League 3 Qatar Bahrain Oman Suspension of work in public and private sector starting from Wednesday. Egypt Libya United Arab Emirates Lebanon Palestine Mauritania Djibouti2 India 1 India on Thursday declared one-day state mourning on Sunday 4 October and there were no official entertainment programmes on that day. Iraq Bangladesh Cuba Decreed an official mourning from 06:00 hours to 12:00 pm on this 1 October. Argentina1Death of cartoonist Quino Brunei7Death of Prince Azim Republic of Congo1Death of former president Joachim Yhombi-OpangoNational mourning on 30 October. Cameroon1Victims of the Kumba school massacre Libya3Death of 1Victims of the 2020 Kabul University attack Austria 3 Victims of the Vienna attack Schools should also observe a minute's silence at the beginning of lessons on Wednesday. São Tomé and Príncipe1Death of Bernardino Araújo Bahrain 7 Death of Prime Minister of Bahrain Khalifa bin Salman Al Khalifa Bahrain's King ordered a week-long period of mourning and the suspension of all governmental work for three days starting from Thursday. Bangladesh1 Palestine 3 Death of Saeb Erekat Ghana 7 Death of former president Jerry Rawlings Mali 3 Death of former president Amadou Toumani Touré National mourning on 16–18 November. Portugal1Death of architect Gonçalo Ribeiro TellesOn 12 November, the day of national mourning. Serbia 3Death of Serbian Patriarch Orthodox Church Irinej The government announced three days of national mourning as bells on churches across the country tolled. Republic of Srpska (Entity of Bosnia and Herzegovina) Mauritania 3 Death of former president Sidi Ould Cheikh Abdallahi Malta 1 Death of poet Oliver FriggieriNational mourning on 25 November Niger 3 Death of former president Mamadou Tandja Argentina 3 Death of football legend Diego Maradona Sudan3Death of former Prime Minister Sadiq al-Mahdi Portugal1Death of philosopher Eduardo LourençoOn 2 December, the day of national mourning. Andorra3Death of former president Valéry Giscard d'Estaing France19 December is the day of national mourning. All flags were lowered to half-mast. Uruguay3Death of former president Tabare Vasquez Zambia1Death of Benjamin Mibenge Venezuela3Victims of Güiria tragedy Niger3Victims of an attack on a village on 12 December Dominican Republic1Death of Alejandro Grullón Armenia3Victims of the Second Nagorno-Karabakh War Artsakh Tuvalu1Death of former prime minister Saufatu Sopoanga Andorra1Death of former prime minister Òscar Ribas Reig Dominican Republic1Death of poet and former First Lady Carmen Quidiello Papua New Guinea5Death of former prime minister Mekere MorautaNational mourning period from 31 December 2020 to 4 January 2021. Flags at half mast. Government buildings closed or scaled down operations.

2021