I analyzed 10 years of Hacker News data (2016-2025) to track Show HN submission trends.

- Show HN posts went from ~900/month (2016-2019) to 3,315 in Dec 2025

- Share of all stories: 2.4% (2016) → 12.8% (Dec 2025)

- Notable spikes: COVID-19 (2020), AI boom (2023), and accelerating growth through 2024-2025

Data source: HackerBook (144k Show HN posts / 3.4M total stories)