.BD is also the most densely-overpopulated country on earth, (as well as one of the most wretchedly poor) and nearly all of it is at, or just above sea level. Every time there are monsoon rains or a typhoon that hits the Ganges Delta, the Bangladeshi death toll is generally in the tens of thousands, but that scarcely even makes a dent, as .BD also has one of the highest birth rates on the planet.