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The Cost of a Stamp in 2021 (Updated December 2020)

As we reported in one of our previous blog posts, the US Post Office plans on increasing its mail and shipping rates on a number of its services. According to USPS, the price of postage increasing will help “keep the Postal Service competitive while providing the agency with needed revenue.” These new rates will go into effect beginning on Sunday, January 24, 2021.

With the addition of USPS, FedEx and UPS have also announced price increases for the new year. The rate increases for both FedEx and UPS have already gone into effect with prices increasing by 4.9% for both carriers. These prices went into effect on January 4th, 2021 and December 27th, 2020, respectively.

While FedEx and UPS have substantial rate increases to all of their services, not all postal rate types will be affected. However, the majority of rate types will be impacted by the increase, some seeing a higher increase than others, with specific rates reaching hikes of 9.9%.

Despite the price of postage increasing for all three major mail carrier companies, there is some good news:

Here is a look at some examples of rate changes happening later this month for the most common USPS postal services:

Price Changes for Stamps, Letter Postage, Postcards, and International Mail

PostageCurrent PricePrice Beginning Jan. 24, 2021
First-Class Mail letter (1 oz.)$0.55$0.55
Each additional ounce$0.15$0.20
Letters (metered, 1 oz.)$0.50$0.51
Flats (1 oz.)$1$1
Each additional ounce$0.20$0.20
International Letters (1 oz.)$1.20$1.20
Postcard stamp$0.35$0.36


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Price Changes in Priority Mail Flat Rates

Flat-Rate ProductCurrent PricePrice Beginning Jan. 24, 2021
Small Flat-Rate Box$8.30$8.45
Medium Flat-Rate Box$15.05$15.50
Large Flat-Rate Box$21.10$21.90
APO/FPO Large Flat-Rate Box$19.60$20.40
Regular Flat-Rate Envelope$7.75$7.95
Legal Flat-Rate Envelope$8.05$8.25
Padded Flat-Rate Envelope$8.40$8.55

An average of 3.5% increase in postage rates from 2020 to 2021 for this class.

In addition to these price changes, the following other mail and shipping services from USPS are increasing in 2020:

  • Media Mail rates will increase by 3.57%
  • Priority Mail per-pound package rates will increase by 3.6%
  • Priority Mail Express per-pound packages will increase by an average of 2.5%
  • First-Class Package International Service (FCPIS) prices will go up 4.8% (per-pound rates varying by country)
  • International Priority Mail rates will increase by 5.1% percent (Canada, UK, and Australia)
  • International Priority Mail Express per-pound packages will increase by 3.6% (Canada, UK, and Australia)