DISTRIBUTION OF THE WORLD'S POPULATION

Here you have the maps about distribution of the population by latitude and longitude:

 http://fronterasblog.wordpress.com/2012/03/23/la-distribucion-mundial-de-la-poblacion-por-latitud-y-longitud/

REGION	DENSELY or SPARSELY POPULATED?	PHYSICAL FACTORS					HUMAN FACTORS
		Water	Climate	Relief and soil	Natural resources	Natural vegetation	Economic	Social	Political
Amazon rainforest
Himalaya mountain range
Sahara desert
Anctartica
Hong Kong
River Nile valley
Eastern Africa (Somalia, the Horn of Africa)