Pen pal programs persist and are growing, driven by analog nostalgia, with Slowly hitting 10M users and Penpalooza drawing 15,000+ signups during COVID.
Key Takeaways
Slowly, launched 2017, delays digital message delivery by hours to days to mimic snail mail anticipation; 10M users across 160+ countries, mostly ages 20-30.
Rachel Syme’s Penpalooza drew 15,000+ signups in 2020; she still runs rounds every few months with hundreds of new participants each time.
International Pen Friends has matched 2M+ people over 59 years; membership peaked late 1990s, surged again in 2020, with 21-26 age group growing in 2025.
Denmark stopped letter delivery entirely; Canada and New Zealand are reducing it, yet stationery stores and pen pal signups are increasing.
Academic use is active: Villanova requires physical letters in a literature course; Texas medical students run an anonymous peer-support pen pal program.
