Michigan's minimum wage adjustment is calculated each October beginning in 2027, published by November 1 and effective the following January 1 ( Michigan Legislature).
Key takeaways
- the October calculation starts in October 2027, according to Michigan Legislature, so that date goes on the sheet first.
- the publication deadline is November 1 of the calculation year, according to Michigan Legislature, so give it a separate line.
- the effective date is January 1 of the year after the calculation, according to Michigan Legislature, so keep it apart from the calculation year.
- an increase does not take effect when unemployment is 8.5% or greater for the preceding year, according to Michigan Legislature, so check that rate before pricing.
Why Michigan's wage rate may change each January
Michigan's adjusted rate takes effect at a year boundary, so the timing matters for any estimate that spans two calendar years. A bid priced in one year may need a wage that starts January 1 of the next year. Treat the January figure as the result of a calculation, not as a number carried forward from an earlier bid. Keep the calculation year and the effective date on separate lines so the two never get mixed.
The rule, according to Michigan Legislature, says the adjustment must increase the minimum wage by the rate of inflation. That is a statement about method, so it gives no dollar amount for any year. A short method note beside each Michigan figure lets a reviewer see that the inflation requirement is the basis. A method note is a reference line, and it does not replace the published rate.
Michigan's dates come from Michigan Legislature text, so a project in another state needs that state's own text. Each job needs a check of which state rule governs it before any Michigan line goes on the sheet. The Michigan source link belongs on each Michigan line, and each other state's source belongs on its own line.
A Michigan adjustment is a dated change on top of a base wage, so the base wage has to be chosen first. For that choice, see the guide on construction wage selection checks for a bid rate. Once the base wage is set, the Michigan adjustment can be shown as a separate dated event above it. One row for each date is a practical layout for this, with the calculation, publication, and effective dates kept apart. The same date format on every row lets a reviewer scan the timeline quickly.
The October calculation and its first year
The first calculation falls in October 2027, so that row is the first entry on the Michigan timeline. The row can carry the calculation date now, but record the amount as pending until a published figure exists.
The treasurer, according to Michigan Legislature, multiplies the otherwise applicable minimum wage by the 12-month percentage increase, if any, in the Consumer Price Index for the midwest region, CPI-U. The starting wage belongs on the sheet beside that row, so the multiplication can be checked by hand. A percentage that is still unknown should be shown as pending rather than filled with an estimate. A note that names the index lets a reviewer see which input was used.
Keep that note with the October row, not in a separate file that can drift from the sheet. The calculation, the input, and the pending amount then sit together in one place. The rule, according to Michigan Legislature, names the Midwest region measure, so a national figure is the wrong input for this line. Each October is a dated event for the estimate, so set a review of the Michigan line in that month.
Record the year of each calculation next to the rate it produced. When the figure is published, the pending amount can be replaced with the published number, and the date it was published should be noted beside it. Those two steps keep the October figure traceable from start to finish.
Illustrative example: calculate the increase separately
These are arithmetic inputs, not a published Michigan rate. Keep the increase separate from the base wage and check the unemployment test before applying it.
The November 1 publication date
The publication deadline means the rate is out before the new year begins. The wording sets a deadline rather than a single release day, so the sheet should show November 1 as the last date for release. The November 1 line works as the date to confirm that a published figure is in hand.
If a bid is priced before the figure is published, the adjusted amount should be recorded as pending rather than as a number. If a bid is priced after the publication date, the published figure can be compared with the October row. Both checks keep the bid honest about which figure it used. A release before that date also fits the wording, so an early check in late October or the first days of November is reasonable.
The calculation year and the publication year are the same year, so label them as separate events on one shared timeline. The separation matters because one event is a calculation and the other is a release. A reviewer who sees both labels can tell whether a figure was still pending when the bid was priced.
The 8.5% unemployment test
The test keeps an increase from taking effect when, according to Michigan Legislature, unemployment is 8.5% or greater for the year before the increase. The unemployment rate is determined for this state by the Bureau of Labor Statistics, according to Michigan Legislature, so the sheet should name that agency as its source. The test names the year immediately preceding the increase, so the lookup should target that year.
The 8.5% figure belongs to Michigan's rule, according to Michigan Legislature, so a bid in another state should check that state's own rule first. The worksheet should hold the unemployment figure, its source, and the date it was looked up. A dated note lets a later estimator see which figure the pricing used. Without that note, a later reviewer cannot tell which check the price depended on.
Test results belong beside the Michigan line rather than in a general notes area. A line that names the test result and the increase it affected is easier to review than a free-text comment. If the test result changes before the bid closes, the note should be updated with a new date. That keeps the sheet an accurate record of what was used.
Minnesota's cap and cent rounding; Missouri's five-cent rounding
Minnesota's increase is, according to Minnesota Legislature Office of the Revisor of Statutes, the lesser of five percent or the commissioner's percentage. Both parts are rounded to the nearest cent, according to Minnesota Legislature Office of the Revisor of Statutes, so the rounding belongs in the note beside the amount. The five percent figure sits in Minnesota's text, so it has no place as a Michigan cap.
Missouri's text, according to Missouri Revisor of Statutes, rounds the amount of a minimum wage change to the nearest five cents. That rounding step differs from the Minnesota cent rounding, so the two cannot share a single line. Each state's rounding goes beside its own amount.
Compare the states on separate lines, since each state's text sets its own terms. The comparison makes it easier to see which state's rule produced each figure.
The table below sets the quoted wording of each source side by side.
Limits of each Michigan figure
The Michigan Supreme Court, according to Michigan Legislature, held that 2018 PA 368 was unconstitutional and revived the original initiative effective February 21, 2025. Keep the court history as a note beside the section number, so the version behind each figure stays traceable. The section, according to Michigan Legislature, gives the method and the dates rather than a dollar rate for a future year.
The Midwest index is a regional input, and a bid should not describe it as a national one. A label that names the region keeps that distinction visible. The distinction matters most when a bid is compared across several states.
The Michigan figures here are inputs for Michigan jobs. Check each other state's text before using them in a bid elsewhere. For public work, the guide on public bid pricing wage provisions is a separate check that sits alongside the Michigan dates.
The one next step is to add three dated lines to your bid rate sheet today for the October calculation, the November 1 publication and the January 1 effective date, then check the state unemployment rate against 8.5% before pricing.
Questions about Michigan adjusted rate in bids
When does the adjusted Michigan rate take effect?
The rate applies from January 1 of the year after the calculation, according to Michigan Legislature. Keep that effective date on its own line so it is not confused with the year the figure was calculated.
What index drives the adjustment?
The calculation runs on the 12-month percentage increase of the Midwest region CPI-U, according to Michigan Legislature, so the regional figure is the input. The index name belongs on the bid line, so a later reviewer can check the source.
When does an increase not take effect?
The test blocks an increase, according to Michigan Legislature, when state unemployment is 8.5% or greater for the year before the increase. Pricing waits on that check, because the test decides whether the increase applies.
By when must the rate be published?
The deadline, according to Michigan Legislature, is November 1 of the year in which the rate is calculated. A release before that date fits the wording, so check for the rate in the weeks before November 1. Mark November 1 on the sheet as the last date to look for a published figure.
Does the Minnesota rule apply in Michigan?
No Minnesota figure belongs on a Michigan line, because each state's rule is its own text. The Minnesota source belongs on a Minnesota line, citing Minnesota Legislature Office of the Revisor of Statutes as its source. Michigan's own rule belongs on Michigan jobs.
What did the Michigan Supreme Court ruling do?
It held that 2018 PA 368 was unconstitutional and revived the original initiative effective February 21, 2025, according to Michigan Legislature. Compare the schedule dates against the section text before pricing, since that text is the source for those dates. A bid that describes the rule can state the court history in one sentence.