<span style="color: #222222;">Facebook  has launched the world's most detailed and advanced "population density maps" using artificial intelligence (AI) for Bangladesh and other countries of Asia Pacific. <br />'' <br />'' The map shows an estimate of the number of people living within 30-meter grid tiles. It includes demographic data such as the number of children under five  as well as the number of women of reproductive age. </span><br />'' <span style="color: #222222;">Facebook says the new AI-powered and high-resolution maps will help address large scale social, health and infrastructure issues in the area. Facebook has used publicly and commercially available data-sets like satellite imagery and census data to create the population density map which does not contain any personally identifiable information. <br />'' <br />''<br />''It has collaborated with Columbia University in the US to build these maps. The map will be helpful in disaster management efforts  at the in time of natural calamities and humanitarian crisis.</span><br />