High Quality Content by WIKIPEDIA articles! Tourism in metropolitan Detroit, Michigan is a significant factor for the region's culture and for its economy, comprising nine percent of the area's two million jobs. About 15.9 million people visit Metro Detroit annually, spending an estimated $4.8 billion.The metropolitan region's tourism industry depends on drawing large crowds to positively impact the local economy. As the world's traditional automotive center, the city hosts the annual North American International Auto Show in January, a multi-day event. Other major multi-day events which reflect the region's culture such as the Motown Winter Blast and the Windsor-Detroit International Freedom Festival can draw super sized-crowds of hundreds of thousands to over three million people.