I'm 80% confident that I will live at least more years.

I'm 95% confident that I will live at least more years.

I'm 99% confident that I will live at least more years.

I'm 80% confident that the next decade will feature fewer than human deaths from nuclear weapons.

I'm 95% confident that the next decade will feature fewer than human deaths from nuclear weapons.

I'm 99% confident that the next decade will feature fewer than human deaths from nuclear weapons.

I'm 80% confident that the world population in 2100 will be more than .

I'm 95% confident that the world population in 2100 will be more than .

I'm 99% confident that the world population in 2100 will be more than .