Compléter THE POPULATIONVersion en ligne Population Review par flig flag 1 growth is the difference between the number of people who are born ( ) and the number of people who die ( ) in a place during a year . The natural of Spain is positive due to the decrease in due to improved nutrition and improvements in and hygiene . are movements that imply a change of residence . They are produced by and social causes . Currently in there is more immigration than emigratio n