What percentage of workers do shift work?

Approximately 16% of US wage and salary workers work non-daytime schedules, including 6% who work evenings and 4% who work nights. When including weekends and irregular schedules, roughly 25% of the adult workforce works non-traditional hours (NCBI, BLS).

Is shift work bad for your health?

Research links shift work. especially night and rotating shifts. to increased risks of cardiovascular disease, metabolic disorders, sleep problems, and mental health issues. The World Health Organization classifies night shift work as a probable carcinogen (Group 2A) due to circadian disruption.

Which industries have the most shift workers?

Healthcare, food service, retail, transportation, manufacturing, and protective services (police, fire, security) have the highest concentrations of shift workers. In food service, over 50% of workers have non-standard schedules.

How many Americans work night shifts?

Approximately 4% of US wage and salary workers. roughly 6 million people. regularly work night shifts (BLS, 2017-2018 data). Including rotating shifts that include nights, the number rises to approximately 15 million.

Shift Work Statistics (2026): 40+ Key Facts

Shift work is the backbone of the modern economy. Hospitals, restaurants, factories, and stores can't operate on a 9-to-5 schedule. But how many people actually work shifts, and what does the data say about the impact?

Every statistic on this page is sourced and cited.

How many people work shifts

16%

of US wage and salary workers work non-daytime schedules. That includes evening shifts (6%), night shift schedulings (4%), and rotating/split/irregular schedules (6%). Source: Bureau of Labor Statistics, Job Flexibilities and Work Schedules, 2017-2018

~25%

of the adult workforce works non-traditional hours when including evenings, nights, early mornings, and weekends. Source: NCBI. Shift Work Hazards, 2024

~6 million

Americans regularly work night shifts (approximately 4% of wage and salary workers). Source: BLS Table 7, 2017-2018

2 in 5

workers work mostly during nonstandard times. evenings, nights, or weekends. at some point during the year. Source: Population Reference Bureau

Shift types breakdown

Shift Type	% of Workers	Est. Workers (US)
Regular daytime	84%	~110 million
Evening shift	6%	~8 million
Night shift	4%	~6 million
Rotating shift	3%	~4 million
Split/irregular/other	3%	~4 million

Source: BLS, Job Flexibilities and Work Schedules, 2017-2018

Industries with the most shift workers

Food service & hospitality

Over 50% of food service workers have non-standard schedules
Restaurant industry employs 15.9 million workers (projected 2025)
Annual turnover rate: 73.9% (on track for lowest since 2017)
Quit rate: 3.9% in 2024, down from 5.8% peak in 2021-2022

Sources: BLS; National Restaurant Association; Toast; BLS JOLTS

Healthcare scheduling

4.3% absence rate. highest of any occupation (BLS, 2024)
Healthcare operates 24/7/365. shift work is universal
Nursing shortages mean remaining staff work more shifts
12-hour shifts are standard in many hospitals

Retail

Extended hours (early morning to late evening) require multi-shift coverage
Holiday season creates extreme scheduling variability
Part-time/full-time mix makes scheduling more complex

Manufacturing

2.8% absence rate (BLS, 2024)
Many plants run 2-3 shifts (days/evenings/nights)
Rotating shifts common in continuous production environments

Transportation & logistics

3.4% absence rate (BLS, 2024)
Drivers, warehouse workers, and delivery personnel work around the clock
Compliance requirements (hours of service) add scheduling complexity

Shift work and health

Sleep

Shift workers get 1-4 fewer hours of sleep per day compared to day workers
10-40% of shift workers develop Shift Work Sleep Disorder (SWSD)
Night shift workers are 2-3x more likely to report insufficient sleep

Physical health

40% higher risk of cardiovascular disease for long-term shift workers
Night shift work classified as Group 2A probable carcinogen by the World Health Organization (due to circadian disruption)
Increased risk of metabolic syndrome, type 2 diabetes, and gastrointestinal disorders

Mental health

Shift workers report 33% higher rates of depression and anxiety
Social isolation is a major factor. working when friends and family are off
Rotating shifts are worse than fixed night shifts for mental health outcomes

Sources: NCBI. Shift Work Hazards; WHO/IARC; Sleep Foundation

Shift work and productivity

Fatigue-related productivity losses cost employers an estimated $136 billion/year in the US
Night shift workers make 28% more errors than day shift workers in industrial settings
Accidents peak between 2-4 AM. the circadian low point
Short shift intervals (<11 hours between shifts) increase error rates by 20-30%

Sources: National Safety Council; NCBI; Circadian

Scheduling challenges for shift-based businesses

Time spent on scheduling

Small business managers spend 3-8 hours per week on employee scheduling
45% of entrepreneurs report schedule management as a regular weekly task
31% of small business owners spend 26-50% of their week on admin tasks (including scheduling)

Sources: Time Etc research; industry surveys

Common scheduling problems

Last-minute changes. most shift managers deal with at least 2-3 per week
Availability conflicts. employees with second jobs, school, or childcare create complex constraints
Overtime management. almost 50% of overtime is used to cover absences (Circadian)
Communication breakdowns. schedule changes via text/WhatsApp lead to confusion and no-shows

How businesses schedule today

Spreadsheets: Still the most common method for businesses under 50 employees
Pen and paper: Used by an estimated 15-20% of small shift-based businesses
WhatsApp/text: Common for communication but unreliable as a schedule source of truth
Scheduling software: Adoption growing at 12.1% CAGR. market size $0.48B in 2024, projected $1.36B by 2033

Source: Business Research Insights, 2024

Shift work demographics

Who works shifts

Younger workers are more likely to work shifts. 28% of workers aged 16-24 vs 14% of workers 55+
Men are slightly more likely to work night shifts than women
Workers without a college degree are disproportionately represented in shift work
Black and Hispanic workers have higher rates of shift work than white workers

Pay and compensation

Night shift workers typically receive a shift differential of 5-15% above base pay
Despite the differential, shift workers earn less on average than day workers due to occupational mix
Overtime pay (time-and-a-half) for shift coverage is a significant cost driver

Sources: BLS; Population Reference Bureau

The shift work economy

Market size

Employee scheduling software market: $0.48 billion (2024), projected $1.36 billion by 2033
Growth rate: 12.1% CAGR
North America holds 45% market share
Cloud-based deployment dominates new installations

Source: Business Research Insights; Credence Research

For practical steps behind these numbers, see our complete guide to employee scheduling.
Night Shift Scheduling Guide. how to build rotations that protect health and keep coverage
Healthcare Shift Scheduling. where shift work hits hardest
Small Business Employee Management Statistics (2026). broader workforce data for small teams

Sources

Bureau of Labor Statistics (BLS). Job Flexibilities and Work Schedules, 2017-2018
BLS Table 7. Workers by shift usually worked
BLS Table 47. Absences from work, 2024
NCBI. Shift Work Hazards (StatPearls, 2024)
Population Reference Bureau. A Demographic Profile of U.S. Workers Around the Clock
Business Research Insights. Employee Scheduling Software Market Report, 2024
National Restaurant Association. Industry workforce projections
Toast. Restaurant turnover data
Circadian. Workforce productivity and absenteeism research

Last updated: February 2026. We review and update this page quarterly.

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Shift Work Statistics (2026): 40+ Key Facts

How many people work shifts

16%