The latest World Happiness report finds Scandinavian countries once again dominating the top of the rankings, while the U.S. climbed from 19th to 16th.
A White House official declined to lay out the specifics of any potential U.S. response, but said that Biden was "detailed" and "direct" with the Chinese leader.
It's been three weeks since Russia invaded Ukraine, and while many thought that it would be over quickly, Ukraine is continuing to fend Russia off. Now, some analysts think Ukraine could win the war.
A fourth day of peace negotiations ended with no breakthrough. Ukraine's president said workers continued rescue efforts at the Mariupol theater where scores of civilians were sheltering.
Supplies are running low at Lviv's regional cancer hospital in Ukraine. The patient load has doubled and supplies in Kyiv are inaccessible. But hospital staff choose the duty of care over safety.
"This is a terrible price of war that Ukraine is paying today," Lviv Mayor Andriy Sadovyi said as his city paid tribute to the youngest victims of violence.
The western Ukrainian city of Lviv has been a bastion of relative normalcy since the Russian invasion began last month. Friday's strike, just over 4 miles from the city center, rattled residents.