Pick up any sentence in any language on Earth and ask why is it built this way? Why does Japanese put the verb last? Why does Irish start with it? Why does English bother marking the plural but Mandarin doesn't? The honest answer is: it depends on the odds. Behind the diversity of ~7,000 living languages are stubborn probability distributions — and those odds are knowable, countable, and weirdly beautiful.
01The distributions
Each card is a question about a random language, with the observed answer distribution from the World Atlas of Language Structures (1,376+ languages, ~192 datapoints per question). Hover a bar to see its odds written in plain English; click a bar to pick it for the simulator.
02The random language simulator
Pick a feature and a number of languages. The engine rolls each language independently against the real distribution — so a batch of 100 simulated languages should look almost exactly like the bars in Step 1. Watch rare values stay rare, and watch the law of large numbers do its quiet work.
No rolls yet.
Press Roll and meet your first batch of imaginary languages.
03Gut-check: can you read the odds?
You'll be handed a real question about a random language. Before the data is revealed, bet on your intuition: common (more than half of the world's languages), half-and-half, or rare (fewer than one in three). Then compare your gut to the actual distribution.
04Why are the odds shaped like this?
The distributions above are not random noise. A few well-known "statistical universals" explain their shape — and some of the shape is still an open research question.
SOV is the default
Subject–Object–Verb order is the single most common basic word order on Earth (~41% of WALS languages). Greenberg's classic observation: if a language puts the verb at the end, modifiers also tend to come before what they modify. VOS order is so rare (≈1.8%) that every known example gets a paragraph of its own in the literature.
Stress hates being random
Most languages (≈59%) place main stress at a fixed, predictable position — usually the penultimate syllable. Free stress, where any syllable may be stressed with no rule at all, exists but is the minority. "Where stress falls" turns out to be a lot less free than it sounds.
The verb is the busybody
About 62% of languages pack 4–7 grammatical categories (tense, agreement, mood, voice…) into a single verb word, while ~10% pack 8 or more. The isolating end of the spectrum — where a single verb word carries 0–1 categories, as in Vietnamese — is the rarest shape of all.
Plurals are the default, but…
Nearly 95% of languages mark noun plurality in some way, but the *obligatory* marking of every noun is a smaller club (~64%). Mandarin Chinese's famously unmarked plurals sit at the 2.7% tail of the distribution — a genuine statistical rarity, not an English-speaker's assumption.