The Israeli leader labels those who left his speech at the UN General Assembly as "moral cowards".
The UN Population Fund also says there has been a "severe escalation" in the number of early and forced marriages.
The G7 also condemns "in the strongest terms" Houthi attacks on Saudi Arabia, saying that the escalation in fighting in Yemen jeopardises global energy security.
The figure was announced during a meeting of the group's board at the sidelines of the UN General Assembly in New York.
The UK says it will provide air-to-air refuelling for "defensive" operations following a request from Saudi Arabia.
Masoud Pezeshkian's defiant speech to the UN comes after the US president threatened to "annihilate" Iran if a peace deal is not agreed soon.
The BBC's Frank Gardner speaks to some of those who have fled the war by crossing the Red Sea to Djibouti.
A reported strike on a fuel depot at Riyadh airport caused delays on Saturday, as Saudi Arabia says it shot down a ballistic missile aimed at the capital.
The talks are the first since a ceasefire collapsed in June, with the sides exchanging fire intermittently.
Saudi Arabia has lobbied the US for years to buy F35s, the world's most advanced fighter jet.
The US has not acknowledged carrying out February's deadly strikes on a primary school in Minab and a sports complex in Lamerd.
A rapid military advance down Yemen's Red Sea coast has put the spotlight on the Iran-backed group, amid growing concerns about the global energy market.
A cauldron of conflicts is bubbling across the world, with cultural monuments being destroyed. These people are fighting against it.
The "carpet" of microalgae stopped five of Israel's six desalination plants from working.
The capture by the rebels of a stretch of Yemen's strategic coastline is the group's most impressive military coup for several years.
Israel's response to London's trade ban with Israeli settlements in the occupied West Bank shows how important this moment is.
The BBC's Nada Tawfik explains why Israel's Benjamin Netanyahu was not arrested after speaking at the UN, despite an ICC arrest warrant.
US President Donald Trump presented Iran with a stark choice: reach an agreement or face the rapid “annihilation” of the Islamic Republic.
Fighting on Yemen's west coast has prompted thousands of people to flee by boat across the Bab al-Mandab Strait.
BBC's Middle East Correspondent Lucy Williamson visits the Palestinian community of Khan al Ahmar in the so-called E1 area, and the neighbouring Israeli settlement of Maale Admumim.
The president also blamed the rising price of oil on the war, and said that prices will come down after the coming elections.
Asked about the Iranian proposal, a US official told the BBC "constructive discussions" were taking place through mediators.
The foreign secretary stresses "the UK's unwavering resolve to combat threats from Iranian-linked groups in UK soil, including attacks on the British Jewish community".
The BBC’s Nada Tawfik explains what happened even before the Israeli prime minister took to the stage at the United Nations General Assembly in New York.
The Israeli delegation cheered in support during Netanyahu's speech. Nada Tawfik in New York explains what happened.
