Wednesday, October 28, 2026 · Played it? Here's how rare each one really was.
World production, coffee year 2025/26 (ICO estimate, Sept 2026).
1 in 2.3 bags 43.1%
The ICO estimates Robusta at 43.1% of world output in 2025/26: 79.2 of 183.6 million 60-kg bags.
Fun fact: That's 79.2 million sacks of Robusta. The whole season's surplus, 3 million bags, is less than one week of world coffee drinking.
Source: International Coffee Organization, Coffee Market Report (Sept 2026)
5.1 million births in NHS maternity units in England, 2005 to 2014 (PLOS ONE study).
1 in 3.5 babies 28.5%
The study found 71.5% of births happen outside 9am to 4:59pm on weekdays, leaving 28.5% inside.
Fun fact: Office hours are about 24% of the week, so that's only a bit above chance. Spontaneous births peak at around 4am.
Source: PA report on the PLOS ONE study, Jersey Evening Post (June 2018)
US adults, Pew Research survey, Jan to Feb 2021. Print, e-book or audiobook.
1 in 4.4 adults 23.0%
23% of US adults said they hadn't read a book in whole or in part in the past year.
Fun fact: In a room of 30 American adults, expect about 7 who didn't get through even part of a book all year.
Source: Pew Research Center (Sept 2021)
US reporting airlines, full year 2024.
1 in about 71 flights 1.40%
US reporting carriers had a cancellation rate of 1.4% in 2024, up from 1.3% in 2023.
Fun fact: A delay is far more likely: only 78.1% of flights arrived on time, so about 1 in 4.6 were late.
Source: US Bureau of Transportation Statistics, Air Travel Consumer Report (full year 2024)
Assumes births are spread evenly across all days of the Gregorian calendar.
1 in 212 people 0.47%
Over the 400-year Gregorian cycle of 146,097 days, 688 are a Friday the 13th.
Fun fact: Friday the 13th comes around 1.72 times a year on average. Every year has at least one and never more than three.
Source: Math: 146,097 ÷ 688 days in the 400-year calendar cycle