Fill in the Blanks PopulationOnline version Complete the text with the following words. by Raquel Serrano Barrueta 1 years child population number people Population is the number of people that live in a place . The of Spain is more than 46 million . We can know the population using the Padrón ( the of inhabitants in each municipality ) and the Census ( national survey every 10 ) . We can divide the population : - by age ( , adult , elderly ) ; - by economic activity ( the type of job / role have in society ) .