Completar frases PopulationVersión en línea Complete the text with the following words. por Raquel Serrano Barrueta 1 number child population people years 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 ) .