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The Global Insight

Why should we not keep pennies?

Author

James Olson

Updated on April 10, 2026

Economist Greg Mankiw of Harvard University argues that pennies are simply no longer useful as a means of exchange: “When people start leaving a monetary unit at the cash register for the next customer, the unit is too small to be useful.” There are precedents for getting rid of coins that are too small to use.

Are pennies worth keeping?

You should keep all pre-1982 pennies. If you can distinguish between 1982 brass and zinc pennies, keep the brass ones. All wheat pennies are worth keeping. Keep all pennies (even recent ones) that appear to have something “off” about them — they may be error or die variety coins.

How do pennies harm the environment?

Well, as it turns out, the production of pennies also are pretty bad for the environment. To create pennies, zinc and copper are needed. That requires mining, which leads to carbon dioxide emissions, pollutants and the use of lots of energy.

Will U.S. get rid of penny?

Mint said there are no immediate plans to get rid of pennies. “There have been no formal discussions on this topic within the United States Mint (Mint) or the Treasury Department,” said the spokesperson. “We mint coins in accordance with legislation and based on orders from the Federal Reserve System.”

How does the penny hurt the economy?

The Penny Hurts the National Economy Given the 107 billion cash transactions per year in 2012 (US Federal Reserve Payments Study), using pennies therefore wastes 120 million hours of time per year counting the time of both the customer and the store employee.

Is it better to get rid of pennies or keep them?

Pennies are worthless . They don’t buy anything, many people throw them away, and nobody wants to use them, so let’s get rid of them. Many stores have “Leave a Penny, Take a Penny” cups next to the cash register for customers who don’t want pennies and change. Pennies waste time .

How is making a penny bad for the environment?

Making pennies also has environmental consequences from mining and transportation. Mining zinc and copper produces carbon dioxide emissions and pollutants, and uses vast amounts of energy. [ 24] Over the last 35 years, 107 million pounds of carbon dioxide have been emitted due to pennies being delivered from the Mint to banks. [ 25]

Who are the pros and cons of the Penny?

Mark Weller, Executive Director of the pro-penny group Americans for Common Cents, says, “The alternative to the penny is rounding to the nickel, and that’s something that will negatively impact working families every time they buy a gallon of gas or a gallon of milk.” [ 6]

What are the consequences of keeping the penny in circulation?

Aaron Klein, former Deputy Assistant Secretary for Economic Policy at the Treasury Department, estimates that the United States could see $1.78 billion in losses over the next 30 years if the penny remains in production. [ 23] Making pennies also has environmental consequences from mining and transportation.