Bangladesh is the 94^th smallest (148,460 km²) country globally and ranked 26^th in Asia, with a large population (174,701,211) base – the fourth largest in Asia and the eighth largest globally, among the total population around 68% of rural and 32% of urban inhabitants. Around 88% of the total territory is covered with plain land, commonly home to 98% (approx.) Bengali ethnicity and in 12% of hilly land, mainly indigenous or Adivasis reside totaling 2% (approx.).