Reference Data — Measured Values by Subject

River lengths, mountain heights, animal speeds, country areas, melting points and 32 more datasets, published as full tables with units and a note on exactly what each figure measures.

Animal lifespans — 60 entries
Animal top speeds — 32 entries
Animal weights — 60 entries
Average land elevation — 43 entries
Bird wingspans — 60 entries
Boiling points — 42 entries
Bridge spans — 31 entries
Calories in food — 44 entries
Career runs in international cricket — 32 entries
Coastlines — 36 entries
Country areas — 51 entries
Country neighbours — 45 entries
Country populations — 55 entries
Desert sizes — 27 entries
Film release years — 37 entries
Film runtimes — 33 entries
How dense it is — 33 entries
Independence years — 58 entries
Indian city populations — 40 entries
Indian state areas — 29 entries
International football goals — 32 entries
Island sizes — 47 entries
Lake depths — 38 entries
Language speakers — 36 entries
Melting points — 33 entries
Mountain heights — 60 entries
National park sizes — 34 entries
Olympic gold medals — 40 entries
River lengths — 32 entries
Sea sizes — 32 entries
Solar system sizes — 33 entries
Stadium capacities — 60 entries
Tallest structures — 60 entries
Train speeds — 55 entries
Volcano heights — 36 entries
Waterfall heights — 30 entries
When it was invented — 35 entries

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