Unemployment: How It's Measured and What the Types Mean

The unemployment rate is more precisely defined than it sounds, and economists distinguish several distinct types of unemployment with very different causes.

The unemployment rate is one of the most closely watched economic statistics, showing up constantly in news coverage of the economy. But the way it’s actually calculated, and the different reasons people end up unemployed, are more precise - and more interesting - than the headline number alone suggests.

How the unemployment rate is actually calculated

The unemployment rate is the percentage of the labor force that is unemployed. The labor force itself is a specific, narrower group than “everyone of working age” - it includes only people who are either employed or actively looking for work. People who aren’t working and aren’t currently searching for a job - retirees, full-time students not seeking work, and people who have simply stopped looking - are excluded from the labor force entirely, and therefore aren’t counted in the unemployment rate at all.

Why the unemployment rate can fall for a discouraging reason

Imagine a region where many unemployed workers, after months of unsuccessful job searching, become discouraged and simply stop looking for work altogether. Because they're no longer actively searching, they exit the labor force and are no longer counted as unemployed at all - even though their actual situation, having no job and no income, hasn't improved. The unemployment rate can technically fall in this scenario, even though it doesn't reflect anyone actually finding a job. This is exactly why economists also track the labor force participation rate alongside the unemployment rate, to catch shifts like this one.

The different flavors of unemployment

Frictional unemployment describes the normal, healthy unemployment that exists as people transition between jobs - a graduate searching for a first job, or someone who quit one position and is searching for a better one. It’s generally considered a normal and even a positive feature of a functioning labor market, since it means workers are searching for the best available match rather than accepting the first job offered. Structural unemployment describes unemployment caused by a mismatch between workers’ skills and the skills employers need, often driven by long-term shifts like automation, covered in this curriculum’s automation and AI module, or the decline of an entire industry in a particular region. Cyclical unemployment describes unemployment that rises and falls with the business cycle, covered in the next lesson - businesses cut jobs broadly during a recession and add them back during a recovery.

Treating "zero unemployment" as the healthy target for an economy

It's tempting to think the ideal unemployment rate is zero, but because frictional unemployment is a normal part of a healthy, dynamic labor market, economists generally target something closer to a low but positive rate, sometimes called the "natural rate of unemployment." An unemployment rate of exactly zero would actually suggest something unusual is happening - workers unable to search for better matches, or a labor market so rigid that nobody ever changes jobs. A small amount of frictional unemployment is a sign of a functioning, flexible labor market, not a problem to eliminate entirely.

Why the distinctions matter for policy

Different types of unemployment call for genuinely different policy responses. Cyclical unemployment generally responds to the kind of demand-side tools covered in the aggregate supply and demand lesson later in this module. Structural unemployment often calls for retraining programs and education investment, covered in this curriculum’s education economics module, rather than simply stimulating overall demand. Understanding which type of unemployment is actually driving a given period’s unemployment rate is essential for designing an effective response, since treating structural unemployment with tools meant for cyclical unemployment - or vice versa - tends to be ineffective.

Key takeaways

The unemployment rate is the percentage of the labor force that is unemployed, not the percentage of the whole population.
The labor force includes only people employed or actively searching for work, excluding discouraged former job seekers.
Frictional unemployment is normal, healthy unemployment from workers transitioning between jobs.
Structural unemployment reflects a mismatch between workers' skills and employer needs.
Cyclical unemployment rises and falls with the business cycle.
A small amount of frictional unemployment is generally a sign of a healthy labor market, not a problem to eliminate.