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Data source: Bureau of Larbor Statistics
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The number of librarians in Washington correlates with...

VariableCorrelationYearsSys. Score
Hydopower energy generated in Puerto Ricor=0.9316yrs373
Renewable energy production in Comorosr=0.9216yrs372
Hydopower energy generated in Comorosr=0.9216yrs372
Popularity of the first name Roxannar=0.9316yrs370
Popularity of the first name Brennenr=0.916yrs366
Pirate attacks globallyr=0.9410yrs342
Electricity generation in Netherlands Antillesr=0.9116yrs340
GMO use in cottonr=0.8816yrs337
Google searches for 'life insurance quotes'r=0.8915yrs336
Popularity of the first name Brennanr=0.916yrs336
US average dairy skim-solid content of whey products (net)r=0.8816yrs331
Fossil fuel use in Netherlands Antillesr=0.9116yrs330
Popularity of the first name Janessar=0.8916yrs304
How trendy AsapSCIENCE YouTube video titles arer=0.937yrs304
US production of fluid beverage milkr=0.8716yrs302
US household spending on vehicle insurancer=0.8616yrs301
US dairy skim solids used to produce milk fat and skim solids byproduct fluid beverage milkr=0.8616yrs300
How 'hip and with it' Computerphile YouTube video titles arer=0.916yrs300
Popularity of the first name Abbigailr=0.8916yrs294
Electricity generation in Antarcticar=0.9212yrs288
Popularity of the first name Brennonr=0.8916yrs284
Renewable energy production in Antarcticar=0.9212yrs278
Google searches for 'desktop background'r=0.8512yrs277
Popularity of the first name Adrienner=0.8816yrs272
Average views of Numberphile YouTube videosr=0.888yrs267
Kerosene used in Beninr=0.8916yrs264
Popularity of the first name Moriahr=0.8816yrs262
Associates degrees awarded in Business and managementr=0.878yrs261
Liquefied petroleum gas used in Syriar=0.8916yrs254
Popularity of the first name Jordenr=0.8816yrs252
Liquefied petroleum gas used in U.S. Virgin Islandsr=0.8916yrs244
Popularity of the first name Madisynr=0.8816yrs242
Popularity of the first name Adrianner=0.8816yrs232
Popularity of the first name Ryleyr=0.8716yrs221
Liquefied petroleum gas used in Kosovor=0.911yrs210
Asthma attacks in American childrenr=0.8516yrs199
Burglary rates in the USr=0.8216yrs198
Asthma prevalence in American childrenr=0.8316yrs196
Asthma prevalence in American childrenr=0.8316yrs196
Biomass power generated in Jordanr=0.8716yrs194
GMO use in cottonr=0.8316yrs194
The distance between Neptune and Saturnr=0.8316yrs193
US household spending on tobacco products and smoking suppliesr=0.8416yrs193
Fossil fuel use in Belgiumr=0.8616yrs182
Popularity of the first name Evanr=0.8716yrs181
Lululemon's stock price (LULU)r=-0.9611yrs174
Asthma attacks in American childrenr=0.8116yrs173
Asthma prevalence in American childrenr=0.816yrs172
The distance between Uranus and the Sunr=0.8216yrs172
Popularity of the first name Kayleer=0.8716yrs171
Jet fuel used in Belarusr=0.8616yrs170
Viewership count of American Idol Season Finaler=0.7816yrs168
Philip Morris International's stock price (PM)r=-0.9710yrs168
Asthma attacks in American childrenr=0.7716yrs167
The distance between Uranus and Earthr=0.7916yrs167
Annual US household spending on vehicle insurancer=0.816yrs167
Robberies in Washingtonr=0.7516yrs167
Cigarette Smoking Rate for US adultsr=0.7916yrs166
Google searches for 'call of duty'r=0.7915yrs166
The Hershey Company's stock price (HSY)r=-0.8916yrs166
Annual US household spending on transportationr=-0.8816yrs165
US household spending on mortgage interest and chargesr=0.7716yrs162
Popularity of the first name Chloer=0.8716yrs161
US household spending on processed fruitsr=0.7616yrs161
Popularity of the 'planking' memer=0.848yrs158
xkcd comics published about childhoodr=0.8112yrs156
Popularity of the first name Markusr=0.8716yrs151
xkcd comics published about romancer=0.7712yrs150
Google searches for 'report UFO sighting'r=0.7315yrs148
The number of movies Drew Barrymore appeared inr=0.7216yrs148
Associates degrees awarded in Business managementr=0.818yrs147
Milk consumptionr=0.816yrs146
US birth rates of triplets or morer=0.716yrs144
United States music album salesr=0.7712yrs144
Global iPod Salesr=0.789yrs144
Associates degrees awarded in Management information systemsr=0.798yrs144
Popularity of the 'thats what she said' memer=0.7213yrs144
Total comments on SmarterEveryDay YouTube videosr=-0.9412yrs143
Popularity of the first name Trystanr=0.8716yrs141
Gasoline pumped in Kosovor=0.8911yrs139
The distance between Uranus and the moonr=0.7916yrs137
Google searches for 'download firefox'r=0.7715yrs133
Popularity of the first name Janellr=0.8716yrs131
Google searches for 't-rex'r=0.7615yrs122
Popularity of the first name Jaydar=0.8716yrs121
US average milk-fat content of milk fat and skim solids byproduct fluid beverage milkr=0.7616yrs118
How insightful CGP Grey YouTube video titles arer=0.858yrs118
Bachelor's degrees awarded in Theology and religious vocationsr=0.797yrs114
Popularity of the first name Kalebr=0.8616yrs110
How good CGP Grey YouTube video titles arer=0.848yrs106
Google searches for 'Matt Parker'r=0.7712yrs95
Total comments on CGP Grey YouTube videosr=0.818yrs92
Google searches for 'Britney Spears'r=0.7711yrs84
How provocative Tom Scott's YouTube video titles arer=0.7910yrs80
How trendy Extra History YouTube video titles arer=0.797yrs68
How professional-sounding CGP Grey YouTube video titles arer=0.788yrs57
Fossil fuel use in Luxembourgr=0.8316yrs43
Gasoline pumped in Greecer=0.8416yrs32
Gasoline pumped in Moldovar=0.8416yrs22
Gasoline pumped in Ukrainer=0.8416yrs12
Gasoline pumped in Syriar=0.8216yrs-2


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You caught me! While it would be intuitive to sort only by "correlation," I have a big, weird database. If I sort only by correlation, often all the top results are from some one or two very large datasets (like the weather or labor statistics), and it overwhelms the page.

I can't show you *all* the correlations, because my database would get too large and this page would take a very long time to load. Instead I opt to show you a subset, and I sort them by a magic system score. It starts with the correlation, but penalizes variables that repeat from the same dataset. (It also gives a bonus to variables I happen to find interesting.)
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