Underemployment Rate Calculator (U-6 Method)
Calculate the comprehensive underemployment rate by factoring in unemployed persons, involuntary part-time workers, and marginally attached workers.
Understanding Underemployment Metrics
While the standard unemployment rate (often referred to as U-3) is the most commonly cited economic indicator, it often fails to capture the full picture of labor market distress. The Underemployment Rate, specifically the measure known as U-6, provides a broader view of economic health by including three distinct groups of workers.
((Unemployed + Involuntary Part-Time + Marginally Attached) ÷ (Labor Force + Marginally Attached)) × 100
The Three Components of Underemployment
To accurately calculate underemployment, this calculator considers three critical variables:
- Total Unemployed: Individuals who are jobless, looking for a job, and available for work. This is the core component of the standard rate.
- Involuntary Part-Time Workers: These are individuals who are currently working part-time specifically for "economic reasons." This means they want to work full-time but cannot find full-time employment or have had their hours cut. They are counted as employed in standard metrics, masking their underutilization.
- Marginally Attached Workers: These are individuals not in the labor force who want and are available for work, and who have looked for a job sometime in the prior 12 months, but were not counted as unemployed because they had not searched for work in the 4 weeks preceding the survey (often called "discouraged workers").
Why the U-6 Rate Matters
During economic downturns, the gap between the standard unemployment rate and the underemployment rate tends to widen. Employers may cut hours rather than lay off staff, causing involuntary part-time numbers to spike. Similarly, long-term unemployed individuals may stop applying for jobs out of frustration, moving them into the "marginally attached" category.
For policymakers and economists, the underemployment rate is a superior gauge of "labor market slack"—the amount of available labor resources that are not being utilized. A high underemployment rate suggests that the economy has not yet reached full capacity, even if the headline unemployment rate looks low.
Example Calculation
Consider a local economy with the following statistics:
- Civilian Labor Force: 100,000 people
- Unemployed: 5,000 people
- Involuntary Part-Time: 3,000 people
- Marginally Attached: 2,000 people
Step 1: Calculate the Numerator (Total Slack)
5,000 (Unemployed) + 3,000 (Involuntary Part-Time) + 2,000 (Marginally Attached) = 10,000
Step 2: Calculate the Denominator (Adjusted Labor Force)
100,000 (Labor Force) + 2,000 (Marginally Attached) = 102,000
Step 3: Calculate the Rate
(10,000 ÷ 102,000) × 100 = 9.80%
In this example, while the standard unemployment rate is only 5%, the underemployment rate is nearly double that at 9.8%, indicating significant hidden slack in the economy.