Michigan's economy has diversified and has gained some independence from the automobile industry. Auto manufacturing is still central, but it has managed to become more efficient, more diversified, and more high tech. More than half a million jobs in the state are connected with motor vehicles and transportation services. Between 1997 and 2003, Michigan attracted 10,229 business projects, ranking number one in the nation for new plants and expansions. Grand Rapids has been a furniture-making center since the late 19th century, while Battle Creek remains America's breakfast-cereal capital.

The Upper Peninsula, with its lakes and forests, continues to attract nature lovers. The recreation industry depends on a healthy environment, but even around Lake Superior's remote Isle Royale National Park fish contain toxic chemicals.