AFP has not been able to independently verify all of the following tolls, which are based on numbers released by governments, militaries, health authorities and rescue organisations in the affected countries.
- Iran -
Iran's government has not released an updated overall casualty toll in recent days.
But the US-based Human Rights Activists News Agency (HRANA) said on April 4 that at least 3,540 people had been killed, including 1,616 civilians -- among them at least 244 children -- as well as 1,213 military personnel and 711 people whose status had not been classified.
On March 26 Iran's deputy health minister told the Qatar-based news channel Al Jazeera that at least 1,937 people had been killed since the start of the war.
Due to reporting restrictions, AFP is not able to access the sites of strikes nor to independently verify tolls in Iran.
- Lebanon -
Lebanon's health ministry said on April 5 that 1,461 people had been killed and 4,430 wounded since the start of the war, including 1,235 men, 97 women and 129 children.
The ministry said the toll also included 54 healthcare workers.
The UN force in Lebanon (UNIFIL) has said three of its peacekeepers have been killed.
The Lebanese army said 10 of its soldiers had been killed, including nine off duty and one on duty.
Hezbollah has not announced its losses.
- Israel -
Israeli emergency services and authorities say attacks have killed a total of 19 civilians since the start of the war.
Iranian missile attacks have killed 14 Israelis, including four minors, as well as one Filipino caregiver and one Thai national.
Two civilians were killed in the north after Hezbollah rocket launches from Lebanon, while one man was killed close to the Lebanese border by Israeli artillery after "operational errors".
According to Magen David Adom, the Israeli equivalent of the Red Cross, more than 540 people have been injured by Iranian or Hezbollah fire since the start of the war.
The Israeli military has separately announced the deaths of 11 soldiers in combat in southern Lebanon.
- West Bank -
The Palestinian health ministry in Ramallah said four women were killed by Iranian missile fire in the occupied West Bank.
- Iraq -
Armed groups and officials have said at least 108 people have been killed in Iraq since the start of the war, according to an AFP tally based on their announcements.
France said an Iranian drone killed a French soldier in Iraq's autonomous Kurdistan region.
The US military said a refuelling aircraft crashed in western Iraq, killing all six crew members, in an incident not caused by hostile or friendly fire.
Pro-Iran armed factions and security sources say 74 Iran-backed fighters have been killed in strikes they blame on the United States and Israel.
Iraq's government has said 10 members of the security services, including police and one intelligence officer, have been killed.
Kurdish regional authorities said a missile attack in Iraq's autonomous Kurdistan region killed six fighters on Tuesday, accusing Iran of carrying out the strike.
- The Gulf -
Authorities in Gulf states and the US Central Command (CENTCOM) have reported 41 people killed -- 22 of them civilians -- since the start of the Iranian attacks.
The rest were military or security personnel, including seven US service members.
Kuwait's military and health ministry have reported seven deaths: two soldiers, two border guards and three civilians, one of them an 11-year-old girl.
The United Arab Emirates' authorities have reported 12 deaths: nine civilians and two military personnel who died as a result of a helicopter crash blamed on a technical malfunction.
Saudi Arabia's civil defence agency has reported two civilian deaths.
Bahrain's interior ministry has logged two civilian deaths, and the UAE defence ministry has separately said a Moroccan contractor for the Emirati military was killed during an Iranian attack in Bahrain.
Oman's maritime security centre reported the death of a mariner at sea and two other people in a drone attack on an industrial area.
Qatar's defence ministry said four Qatari servicemen and three Turkish nationals -- including one serviceman and two civilians -- were killed in a helicopter crash in Qatar's territorial waters.
CENTCOM has confirmed six US service personnel killed in Kuwait and one killed in Saudi Arabia.
- US casualties across Mideast -
In addition to the deaths of seven military personnel in the Gulf and six in Iraq, the US army has recorded around 300 wounded in its ranks, most of them slightly injured.
Ten remain seriously wounded in seven different countries, a US official said on condition of anonymity.
On Friday, an Iranian attack on a base in Saudi Arabia wounded at least 12 American soldiers, including two seriously, US media reported.