The United Nations childrens' agency gave the new toll, nearly three times that previously reported, for the Saudi-led strikes on the market this week in northern Yemen's rebel-held Hajja province.
It is one of the deadliest incidents since coalition forces intervened on March 26 last year to support President Abedrabbo Mansour Hadi after rebels seized large parts of Yemen including the capital Sanaa.
Medics and tribal sources had previously reported 41 people killed in the strikes, and a health official in Hajja said the dead were civilians.
Brigadier General Ahmed al-Assiri, the coalition spokesman, said the strikes targeted "a militia gathering" in a place for buying and selling qat, a mild narcotic that is chewed throughout Yemen.
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In an interview on Wednesday, he told AFP that "we are in the end of the major combat phase," to be followed by the creation of a stable security situation, then reconstruction.
The White House welcomed the statement yesterday.
"We have expressed our concerns about the loss of innocent life in Yemen, the violence there that is plaguing that country has caught to many innocent civilians in the crossfire," spokesman Josh Earnest said.
Supported by air strikes and some coalition ground troops, anti-rebel forces have retaken territory, including much of the south.
But they have failed to dislodge the Zaidi Shiite rebels from Sanaa or to completely remove them from the country's third city Taez where intense battles continue.
Rights groups have raised concerns about civilian casualties caused by the coalition as well as by the Huthis, who are allied with elite troops loyal to former president Ali Abdullah Saleh.
"We strongly deplore the deadliest attack in Al-Khamees market in Mastaba district of Hajja governorate," it said in a statement.