Science · Guess the stat
Guess the real numbers behind population sex ratios, see how everyone else guessed, and get the source.
Around 2001, several European countries -- including Switzerland, Italy, Ireland, and Portugal -- recorded birth sex ratios of about how many boys per 100 girls?
Guess, see the crowd, get the real number. One ranked attempt per day.
Real figures with their sources. All Sex facts →
about 3.3 men per woman
Large numbers of male migrant workers in construction and other industries push Qatar's ratio far from the global norm.
Source: Wikipedia (2024) en.wikipedia.org
a slight decreasing trend
The ratio moved only slightly, from about 1.059 down toward 1.046 male births per female birth over those decades.
Source: Wikipedia (2025) en.wikipedia.org
Vote to see the live results. All polls →
Earned on any site in the network, shown on your profile everywhere.
Add your email to keep your level, streak and badges if you switch devices, and carry them to every site in the network. One email when you save; no spam.
Put your brand on the daily biological sex demographics round and its live results. Sponsors see how many people played and voted, and get the anonymous crowd results for their poll.
Each question asks you to guess a real number about biological sex demographics. After you answer you see how everyone else guessed, then the real figure and where it comes from.
Four stats and one opinion poll. A correct guess earns 100 points plus up to 50 for speed, with a combo bonus for answers in a row. The range next to the right answer earns 40. Opinion polls earn 25 for having your say, and nailing every stat adds 150.
Every stat links to its source, such as government statistics agencies, research organizations and industry groups. Figures are checked against the source before they go live.
Yes. Playing, streaks, badges and leaderboards are free, and your votes stay anonymous.