Spain official population fell by 206,000 to 47.1 million, mostly because of immigrants returning home due to the effects of the European economic.It's population density is 91.4 inhabitants per square kilometer.
Spain is one of the largest countries in Europe with some 900 kilometer separating the Northern and Southern Coasts.1000 kilometers from the Mediterranean sea to the Atlantic Ocean. Spain transportation includes:
Spain excecded safe pollution levels 150 times last summer, putting people at risk of breathing problems and lung disease. Spain is forcing its efforts on decresing the pollution in both indoors and outdoors.