 Shanty towns that have not been rasterized and an undercount, people having left Tijuana for United States, and people leaving Tijuana for the interior of Mexico due to the intensification of the drug war, and suburbanization outside city limits but still inside the municipality.Tijuana, because of the dreams of border crossers, and its relatively higher wages compared to the rest of Mexico, naturally attracts immigrants.Since an improvement in security since 2011, the population of Tijuana as reflected in the 2015 Mexican census is expected to return to its normal growth curve; the great reduction in violence should make the settlement of Tijuana an attractive option again versus fringe valleys, nevertheless exact figures from the census await.