Michigan Compiled Laws, Chapter 700. Estates and Protected Individuals Code § 700.5301b

(a) The individual for whom a guardian is sought resides in this state.

(b) The individual for whom a guardian is sought is present in this state and has a significant connection to this state.

(a) The wishes of the individual.

(b) The location of the individual's family and other interested persons.

(c) The length and time the individual was present in this state and the duration of any absence.

(d) The location of the individual's property.

(e) The extent to which the individual has ties to this state, such as voting registration, state tax return filing, vehicle registration, driver license, social relationship, and receipt of services.

(f) Any other factor the court considers relevant.