5 questions to ask that can save you money

Just 37% of workers asked for a survey, according to a 2018 survey of over 160,000 people by career site PayScale. But 70% of those who did not ask for more money. That means that most people could be leaving money on the table.

Those who have worked in this country are more likely to receive a raise, Payscale found, although it is not possible to do so. Just be sure to come prepared to demonstrate the value you add to the business.

"Lydia Frank, Vice President of PayScale, told CNBC Make It.

CNBC contributor Suzy Welch told CNBC Make It. And if you need to raise because of the pressures – say, to save for your kid's school – leave that out of the conversation.

"People often bring up their mortgage," she says. "Focus on why you have a raise – not why you need it."