Answer: 0.005377 people per square meter.
It is given that the population density of Rio de Janerio in 2016 is 5377 people per square kilometer.
we need to find the population density in people per square meter.
first of all, we will convert 1 km to m.

Then, substitute this value in the given population density.

Hence, the population density in people per square meter is 0.005377 people per square meter.