FACTOID # 7: Train spotters should go to Australia, which has more railway per capita than anywhere else on the globe.
 
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Correlations > Transportation Statistics > Airports > With unpaved runways > 2438 to 3047 m

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Correlations between Transportation > Airports > With unpaved runways > 2438 to 3047 m ...

Variable Strength
...and  Economy > Trade with US > US imports of pulp and paper machinery 71% [plot | correlate | graph]
...and  Agriculture > Organic cropland 63% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Iron steel wire 59% [plot | correlate | graph]
...and  Economy > Trade with US > US imports of automotive tires and tubes 55% [plot | correlate | graph]
...and  Economy > Trade with US > US imports of vegetables and preparations 46% [plot | correlate | graph]
...and  Economy > Trade with US > US imports of plywood and veneers 45% [plot | correlate | graph]
...and  Economy > Trade with US > US imports of steelmaking and ferroalloying materials-unmanufacd 42% [plot | correlate | graph]
...and  Economy > World Trade > Imports > Iron steel railway material 40% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Dyeing tanning extracts 38% [plot | correlate | graph]
...and  Transportation > Airports > With unpaved runways > Over 3047 m 33% [plot | correlate | graph]
...and  Economy > Poverty > Share of all poor people 33% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Other inorganic chemical 32% [plot | correlate | graph]
...and  Crime > Prisoners > Share of prison capacity filled (inverse) 31% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Zinc 31% [plot | correlate | graph]
...and  Economy > World Trade > Imports > Aircraft spacecraft etc 30% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Maize except sweet corn 29% [plot | correlate | graph]
...and  Energy > Primary Energy Consumption > Million tonnes oil equivalent > Share of total 29% [plot | correlate | graph]
...and  Energy > Primary Energy Consumption > Million tonnes oil equivalent 29% [plot | correlate | graph]
...and  Economy > World Trade > Imports > Iron steel pipe tube etc 29% [plot | correlate | graph]
...and  Economy > Trade with US > US imports of marine engines and parts 28% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Oil seeds-not soft oil 28% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Rolled plated m-steel 28% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Pharmaceuticals excl medicaments 27% [plot | correlate | graph]
...and  Economy > Trade with US > US imports of miscellaneous nonferrous metals 27% [plot | correlate | graph]
...and  Energy > Electricity Generation > Terawatt-hours 27% [plot | correlate | graph]
...and  Energy > Electricity Generation > Terawatt-hours > Share of total 27% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Paper industry machinery 27% [plot | correlate | graph]
...and  Economy > World Trade > Imports > Liquid propane butane 27% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Fertilizers crude 27% [plot | correlate | graph]
...and  Economy > Trade with US > US exports of tapes, audio and visual 26% [plot | correlate | graph]
...and  Economy > World Trade > Imports > Railway vehicles equipment 26% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Textile leather machinery 26% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Hand machine tools 26% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Nails screws nuts bolts 26% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Synthetic organic colour agents 26% [plot | correlate | graph]
...and  Economy > Trade with US > US exports of aluminum and alumina 25% [plot | correlate | graph]
...and  Democracy > Parliamentary elections > Turnout 25% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Machine-tools remove material 24% [plot | correlate | graph]
...and  Economy > Trade with US > US exports of laboratory testing instruments 24% [plot | correlate | graph]
...and  Democracy > Presidential elections > Registered voter turnout 24% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Tobacco, manufactured 23% [plot | correlate | graph]
...and  Economy > Trade with US > US imports of other industrial machinery 23% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Ball roller bearings 23% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Mechanical handling equipment 23% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Metal machine tool parts 23% [plot | correlate | graph]
...and  Economy > Trade with US > US exports of leather and furs 22% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Mech transmission equipment 22% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Non-electrical machines nes 22% [plot | correlate | graph]
...and  Environment > Water > Suspended solids 22% [plot | correlate | graph]
...and  Economy > World Trade > Exports > Pig iron etc ferro alloy 22% [plot | correlate | graph]
Average: 31%

About Correlations:

A correlation is a statistical measure of similarity between at least two given sets of data. NationMaster's correlations compare two variables from our database and reveal statistical relationships between them. The percentages you see represent the strength (or likelihood) that a change in the topic variable is matched by a change in the listed variables below it. But remember: These correlations do not imply causation, that is, one does not necessarily cause the other. Also, not all variables contain all countries, rather subsets of countries matched together.

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NOTES:

  • Outliers have been removed only where they are outside 3 standard deviations of the mean.
  • Only variable pairs where at least 15 countries match for each have been considered.
  • Strength is given by the correlation coefficient (R squared). It is the fraction of variation in Y that can be attributed to the variation in X. 100% signifies a perfect fit (R squared of 1). The top 50 such stats are displayed


DEFINITION: Total number of airports with useable unpaved runways (grass, dirt, sand, or gravel surfaces), categorised according to the length of the longest runway

SOURCE: CIA World Factbook, 28 July 2005

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