
Source: National UFO Reporting Center's Tier 1 UFO sightings data. The organization describes Tier 1 sightings as “The most dramatic sightings – strange structured craft or highly anomalous phenomena seen at close distance.”
UFO reports became noticeably more colorful over time, though earlier decades have smaller sample sizes. The biggest shift seems to be the decrease of gray and the increase of black and white sightings. In fact, the 2020s account for 70% of the white UFO sightings.
Chart source: https://steeped.ai/ufo-sightings-data-analysis-exploring-tier-1-reports/
by Pristine_Ad3669

2 Comments
Submission statement: the data is from the official National UFO Reporting Center and was enhanced and standardized to make this chart. It is interesting because I don’t think you hear a lot about the colors of UFOs reported and I think it will generate interesting conversation.
What does tier 1 mean? And why is there no grey?