Immigration in Barcelona is not mostly foreign with only 27 percent of people who applied for residence in the Catalan capital being from outside Spain (read article in Castilian here, La Vanguardia). According to the Statistic department of the Ayuntamiento, 40,000 people, newly recorded in the 2009 municipal census, came from other municipalities in Catalunya, whilst only 17,000 came from other regions in Spain. The department have released a study that shows the city demographic during the last twenty years, which reveals that during 2009, 89,594 people arrived in Barcelona whilst only 59,570 people left. Over 40 percent of immigrants who arrived in Barcelona in 2009, came from the rest of Catalunya, more than 12,000 joined the municipal census of Barcelona after leaving other cities in the Barcelona region - ie. l'Hospitalet de Llobregat, Badalona, Santa Coloma and Sant Adrià. The flow of residents is particularly strong between l'Hospitalet settled in Barcelona and vice versa. The second largest exchange is between Barcelona and Badalona. The report also reveals moreover that the greatest migratory movements from or to the municipality of Barcelona are with young people. More than half of the 90,000 people who came to the city were between 20 and 35 years old.