NCCI is introducing a new online reference designed to make your job easier: the Ratemaking Resource Guide. This practical, easy-to-navigate guide provides key information to help you access NCCI's ratemaking resources.
Posted Date: July 07, 2025
Updates to information underlying NCCI’s loss cost/rate filings, such as filing status and selected details, are provided monthly. Details underlying the countrywide expense analysis are updated annually.
Posted Date: June 19, 2025
The History of Experience Rating Parameters by State provides a history of experience rating parameters by state and effective date.
Posted Date: June 13, 2025
Workers compensation combined ratios have been low in recent years due to continued long-term decline infrequency, moderate severity, and growing wages. NCCI continues to closely monitor these trends for signs of change.
Posted Date: October 09, 2024
Medical costs remain a top industry concern, and we’ll continue to provide powerful solutions and critical insights to navigate the economic uncertainties. NCCI's medical resources are designed with you in mind, and they are available now.
Posted Date: November 05, 2024
NCCI's state Medical Data Reports provide a data source for regulators, legislative bodies, and others who are interested in analyzing and monitoring rules and regulations of medical benefits in workers compensation.
Posted Date: April 03, 2025
NCCI’s annual update of frequency and severity results by state are based on Calendar-Accident Year Financial Call Data. You can focus on detailed results by individual jurisdiction. It also provides data visualizations to help you interpret the results.
Posted Date: March 24, 2025
View the latest Underwriting Results for Calendar-Accident and Policy Year data valued as of year-end.
Posted Date: March 24, 2025
Our Tax and Assessment Directory is now an even more comprehensive resource with the addition of Pennsylvania. This resource is an extensive state-by-state compilation of workers compensation taxes and assessments.
Posted Date: March 20, 2025
This exhibit provides frequency and severity calculations associated with each jurisdiction’s loss cost/rate filing trend analysis.
Posted Date: March 10, 2025
The Large Loss and Catastrophe Claims Data Report summarizes claim information as reported under Call 31.
Posted Date: December 13, 2024
Are you curious how NCCI calculates claim frequency? Check out our new one-page PDF, "An NCCI Approach to Calculating Claim Frequency," to see what goes into our methodologies for measuring the number of claims relative to a given exposure.
Posted Date: November 18, 2024
Effective October 30, 2024, NCCI’s Experience Rating Worksheet summary page will include a new column for the state’s approved primary/excess loss split point, applicable to the rating effective date.
Posted Date: October 24, 2024
NCCI’s Tax & Assessment Directory (TAAD) is your go to resource for workers compensation tax and assessment information, along with guidelines on how to put them into practice.
Posted Date: October 23, 2024
NCCI's latest research on opioid utilization addresses a decade of opioid prescribing patterns and how the share of opioid claims has changed over time.
Posted Date: October 18, 2024
NCCI is excited to share that Claims Data Dashboard (CDD), our innovative solution for claims analysis, has been updated for claims paid in Q3 2023.
Posted Date: February 07, 2024
Explore NCCI's broad range of ratemaking and actuarial resources available to drive analysis and inform decision-making. Some content may require additional authentication.
Posted Date: September 27, 2022
Discover our Solutions page on ncci.com, featuring the latest enhancements to our offerings that can help you make more informed business decisions.
Posted Date: July 13, 2020
NCCI, with the participation of insurers, employers, state-supported programs, and employees, is sharing stories of how our system works effectively when we collaborate for a positive outcome.
Posted Date: Current
