Consumer Price Index Calculation Chart (updated last on 1-15-2024)
The Wisconsin Department of Revenue (DOR) has advised the Wisconsin Employment Relations Commission (WERC) that the CPI-U increase applicable to one-year collective bargaining agreements with a term beginning on the following dates is as noted in the corresponding column in the chart below.
*Revised 11/4/2016.
Beginning date of one-year collective bargaining agreement |
Applicable CPI-U as determined by WI Department of Revenue |
July 1, 2025 |
2.95% |
June 1, 2025 |
2.99% |
May 1, 2025 |
3.02% |
April 1, 2025 |
3.07% |
March 1, 2025 |
3.18% |
February 1, 2025 |
3.27% |
January 1, 2025 |
3.30% |
December 1, 2024 |
3.30% |
November 1, 2024 |
3.36% |
October 1, 2024 |
3.49% |
September 1, 2024 |
3.61% |
August 1, 2024 |
3.85% |
July 1, 2024 |
4.12% |
June 1, 2024 |
4.37% |
May 1, 2024 |
4.69% |
April 1, 2024 |
5.06% |
March 1, 2024 |
5.43% |
February 1, 2024 |
5.81% |
January 1, 2024 |
6.26% |
December 1, 2023 |
6.78% |
November 1, 2023 |
7.16% |
October 1, 2023 |
7.45% |
September 1, 2023 |
7.75% |
August 1, 2023 |
7.91% |
July 1, 2023 |
8.00% |
June 1, 2023 |
8.06% |
May 1, 2023 |
8.04% |
April 1, 2023 |
7.92% |
March 1, 2023 |
7.69% |
February 1, 2023 |
7.44% |
January 1, 2023 |
7.17% |
December 1, 2022 |
6.86% |
November 1, 2022 |
6.56% |
October 1, 2022 |
6.22% |
September 1, 2022 |
5.72% |
August 1, 2022 |
5.21% |
July 1, 2022 |
4.70% |
June 1, 2022 |
4.23% |
May 1, 2022 |
3.76% |
April 1, 2022 |
3.33% |
March 1, 2022 |
3.00% |
February 1, 2022 |
2.67% |
January 1, 2022 |
2.30% |
December 1, 2021 |
1.65% |
November 1, 2021 |
1.50% |
October 1, 2021 |
1.18% |
September 1, 2021 |
1.09% |
August 1, 2021 |
1.15% |
July 1, 2021 |
1.23% |
June 1, 2021 |
1.31% |
May 1, 2021 |
1.38% |
April 1, 2021 |
1.43% |
March 1, 2021 |
1.46% |
February 1, 2021 |
1.50% |
January 1, 2021 |
1.56% |
December 1, 2020 |
1.65% |
November 1, 2020 |
1.79% |
October 1, 2020 |
1.93% |
September 1, 2020 |
1.96% |
August 1, 2020 |
1.89% |
July 1, 2020 |
1.81% |
June 1, 2020 |
1.78% |
May 1, 2020 |
1.79% |
April 1, 2020 |
1.85% |
March 1, 2020 |
1.90% |
February 1, 2020 |
1.98% |
January 1, 2020 |
2.07% |
December 1, 2019 |
2.17% |
November 1, 2019 |
2.26% |
October 1, 2019 |
2.30% |
September 1, 2019 |
2.34% |
August 1, 2019 |
2.40% |
July 1, 2019 |
2.44% |
June 1, 2019 |
2.46% |
May 1, 2019 |
2.46% |
April 1, 2019 |
2.42% |
March 1, 2019 |
2.42% |
February 1, 2019 |
2.36% |
January 1, 2019 |
2.25% |
December 1, 2018 |
2.15% |
November 1, 2018 |
2.07% |
October 1, 2018 |
2.05% |
September 1, 2018 |
2.05% |
August 1, 2018 |
2.09% |
July 1, 2018 |
2.13% |
June 1, 2018 |
2.13% |
May 1, 2018 |
2.09% |
April 1, 2018 |
2.05% |
March 1, 2018 |
1.99% |
February 1, 2018 |
1.91% |
January 1, 2018 |
1.84% |
December 1, 2017 |
1.79% |
November 1, 2017 |
1.72% |
October 1, 2017 |
1.63% |
September 1, 2017 |
1.50% |
August 1, 2017 |
1.36% |
July 1, 2017 |
1.26% |
June 1, 2017 |
1.15% |
May 1, 2017 |
1.05% |
April 1, 2017 |
0.93% |
March 1, 2017 |
0.80% |
February 1, 2017 |
0.73% |
January 1, 2017 |
0.67%* |
January 1, 2017 |
0.68% |
December 1, 2016 |
0.60% |
November 1, 2016 |
0.51% |
October 1, 2016 |
0.40% |
September 1, 2016 |
0.33% |
August 1, 2016 |
0.24% |
July 1, 2016 |
0.12% |
June 1, 2016 |
0.12% |
May 1, 2016 |
0.19% |
April 1, 2016 |
0.31% |
March 1, 2016 |
0.45% |
February 1, 2016 |
0.58% |
January 1, 2016 |
0.73% |
December 1, 2015 |
0.89% |
November 1, 2015 |
1.07% |
October 1, 2015 |
1.25% |
September 1, 2015 |
1.39% |
August 1, 2015 |
1.48% |
July 1, 2015 |
1.62% |
May 1, 2015 |
1.68% |
April 1, 2015 |
1.68% |
March 1, 2015 |
1.62% |
February 1, 2015 |
1.58% |
January 1, 2015 |
1.57% |
October 1, 2014 |
1.40% |
September 1, 2014 |
1.39% |
August 1, 2014 |
1.46% |
July 1, 2014 |
1.46% |
June 1, 2014 |
1.48% |
May 1, 2014 |
1.53% |
April 1, 2014 |
1.63% |
March 1, 2014 |
1.70% |
January 1, 2014 |
1.66% |
October 1, 2013 |
1.79% |
September 1, 2013 |
1.89% |
August 1, 2013 |
1.96% |
July 1, 2013 |
2.07% |
May 1, 2013 |
2.30% |
March 1, 2013 |
2.57% |
January 1, 2013 |
2.96% |
September 1, 2012 |
3.33% |
July 1, 2012 |
3.16% |
April 1, 2012 |
2.65% |
January 1, 2012 |
2.01% |
July 1,2011 |
1.64% |
January 1, 2011 |
0.97% |
July 1, 2010 |
minus 0.36% |
July 1, 2009 |
3.84% |