The cost of stamps varies depending on the country and the type of mail service: United States:
- As of early 2025, a standard First-Class Mail® one-ounce letter stamp costs 73 cents, but from July 13, 2025, the price is set to increase to 78 cents
- Postcards cost 56 cents currently, increasing to 62 cents in July 2025
- International letter stamps start at $1.65, increasing to $1.70
United Kingdom:
- A 1st Class stamp for a letter up to 100g costs £1.70.
- A 2nd Class stamp for a letter up to 100g costs 87p.
- Larger letters cost more, for example, a large 1st Class letter up to 100g costs £3.15
Netherlands:
- Domestic letter stamps cost €0.91 for letters up to 20g.
- International letter stamps start at €1.50 for letters up to 20g.
- Prices increase with weight, e.g., letters up to 50g cost €1.82 domestically and €3.00 internationally
- Another source shows domestic letters up to 20g at €0.96, with prices increasing for heavier mail
Canada:
- Standard letter stamps up to 30g cost CAD $1.44 for a single stamp or $1.24 if bought in a booklet.
- Heavier letters cost more, e.g., up to 50g costs $1.75
In summary, stamp prices depend on the country, weight, size, and destination of the mail. For example, in the US, a standard letter stamp is about 73-78 cents, in the UK about £1.70 for 1st Class, and in the Netherlands about €0.91-€0.96 for domestic letters up to 20g