US President Joe Biden was among the first to confirm that he would attend the event, which will be attended by up to 2,000 people.
“I don’t know what the details are yet but I’m going,” Biden told reporters on Friday.
Among the Brazilian presidents Jair Bolsonaro and South Korean Yoon Seok-yeol attended the Queen’s final farewell after a series of festive events.
The newly elected British Prime Minister, Liz Truss, will mourn the King next week.
“I will of course make it a priority, along with the Governor-General, to fulfill our duty to represent New Zealand and convey the condolences of our entire nation,” Ardern told TVNZ on Friday. “I expect there will be a number of leaders looking forward to honoring and honoring the Queen,” she added.
Japanese Emperor Naruhito and Empress Masako will travel to London for the Queen’s funeral, an unusual move that illustrates the close relationship between the Japanese and British royal families.
Japanese news website Asahi Shimbun, citing Imperial Palace Agency officials, reported that a Japanese emperor had only attended the funeral of a foreign head of state or a member of the royal family on one previous occasion, when then-Emperor Akihito attended the funeral of Belgian King Baudouin in 1993.
Members of foreign royal families will also be seated on Mondays.
Spain’s King Felipe VI and his wife, Queen Letizia, will be among the European royals.
The Dutch Royal House has announced that the King and Queen of the Netherlands, along with the country’s former queen, Beatrix, who abdicated the throne in 2013, will also be among the congregants.
However, not all world leaders were invited.
The Palestinian Authority added that representatives from North Korea and Nicaragua were invited “only at the ambassadorial level.”
The leaders of Russia, Belarus and Myanmar will also be absent.
Although Russian President Vladimir Putin has tweeted his congratulations on King Charles III’s accession to the throne, diplomatic relations between the United Kingdom and Russia have almost collapsed since the Russian invasion of Ukraine, a senior British government source told CNN on Tuesday.
Myanmar will not be invited after last year’s coup.
After the funeral, Queen Elizabeth II will be buried at St George’s Chapel in Windsor Castle, where her parents, sister Princess Margaret and husband Prince Philip are buried.
CNN’s Alex Hardy contributed to this report.
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