QuickBooks Time’ study found more than one-third of employees who worked out-of-state within the past 12 months spent more than 30 days in the state, or states, they worked in. In fact, 7 percent of those employees were said to have worked in four or more states for more than 30 days each. 62% Have not worked in another state for more than 30 days 18% Said they worked in one state for more than 30 days 10% Said they worked in two states for more than 30 days each 3% Said they worked in three states for more than 30 days each 7% Said they worked in four states or more for more than 30 days each