Answer:
These six districts are projected to have the highest population in Nepal in 2031, according to the Central Bureau Statistics of Nepal.
Kathmandu
Rupandehi
Morang
Kailali
Sunsari
Jhapa
Similarly, the six districts projected to have the lowest population in Nepal in 2031 are:
Manang
Mustang
Rasuwa
Dolpa
Humla
Mugu