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Data source: Bureau of Larbor Statistics
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The number of roofers in Ohio correlates with...

VariableCorrelationYearsSys. Score
Solar power generated in Central African Republicr=0.938yrs315
How good Numberphile YouTube video titles arer=0.8412yrs175
Wind power generated in Dominicar=0.8413yrs172
How fun The Game Theorists YouTube video titles arer=0.8114yrs172
Solar power generated in Malir=0.8412yrs170
Number of edits to the Wikipedia article for Goldman Sachsr=-0.8320yrs168
xkcd comics published about outer spacer=0.7615yrs166
How fun SmarterEveryDay YouTube video titles arer=0.7516yrs166
Popularity of the first name Allegrar=-0.8420yrs164
Number of public school students in 8th grader=0.720yrs159
Popularity of the first name Perryr=0.7320yrs159
Popularity of the first name Jayr=0.7120yrs156
Annual US household spending on new carsr=0.720yrs156
Associates degrees awarded in Emergency medical techr=0.8111yrs150
US bank failuresr=-0.820yrs140
Google searches for 'no siri'r=0.7116yrs140
The number of movies Christopher Walken appeared inr=0.6418yrs138
Solar power generated in Bulgariar=0.8113yrs137
North American digital comic sales volumer=0.7213yrs137
Global Rice Consumptionr=0.7114yrs136
Google searches for 'male pattern baldness'r=0.6619yrs136
Popularity of the 'drake' memer=0.6417yrs136
The number of movies Will Smith appeared inr=0.6120yrs135
Car crashes in the USr=0.7312yrs134
Google searches for 'humble pi'r=0.6519yrs134
Air quality in Canton, Ohior=0.6220yrs132
Divorce rates in the United Kingdomr=0.6810yrs130
US consumption of imported cheese that did not come from cowsr=0.5819yrs130
Associates degrees awarded in consumer sciencesr=0.6811yrs130
Hot days in Parisr=0.6810yrs130
The number of movies Lupita Nyong'o appeared inr=0.6115yrs130
US Barley Production Volumer=0.6220yrs129
Annual US household spending on vehicle purchaesr=0.6220yrs129
US household spending on vehicle purchaesr=0.6220yrs129
US household spending on used carsr=0.6220yrs129
US GDP per capitar=0.6514yrs128
Annual sales of the U.S. auto industryr=0.6120yrs128
xkcd comics published about astronomyr=0.6114yrs128
Solar power generated in Slovakiar=0.813yrs126
Pfizer's stock price (PFE)r=0.620yrs126
How 'hip and with it' OverSimplified YouTube video titles arer=0.847yrs125
Number of Walmart stores worldwider=0.615yrs124
VMware's stock price (VMW)r=0.6213yrs122
Cost to send a letter via the USPSr=0.5417yrs120
Associates degrees awarded in Homeland securityr=0.6111yrs120
Number of public school students in 7th grader=0.5420yrs120
Philip Morris International's stock price (PM)r=0.614yrs120
How insightful Numberphile YouTube video titles arer=0.812yrs114
Petroluem consumption in Azerbaijanr=0.7519yrs111
Popularity of the first name Beverlyr=0.6720yrs105
How trendy OverSimplified YouTube video titles arer=0.827yrs102
Google searches for 'how to immigrate to norway'r=0.619yrs101
Biomass power generated in Eswatinir=0.7119yrs98
The number of movies Catherine Zeta-Jones appeared inr=0.5615yrs93
How trendy The Game Theorists YouTube video titles arer=0.7714yrs92
Popularity of the first name Brittnir=0.710yrs90
Associates degrees awarded in Music and dancer=0.6111yrs90
Google searches for 'how to treat internal bleeding'r=0.619yrs86
Jet fuel used in Wake Islandr=0.719yrs84
The number of movies Rami Malek appeared inr=0.5317yrs80
How trendy PBS Space Time YouTube video titles arer=0.798yrs78
Associates degrees awarded in Multi/interdisciplinary studiesr=0.611yrs78
Google searches for 'reddit'r=0.6215yrs76
Popularity of the first name Thaliar=0.6120yrs76
Renewable energy production in Vanuatur=0.812yrs70
How nerdy Matt Parker's YouTube video titles arer=0.7612yrs68
Google searches for 'Rachel and Ross'r=0.6115yrs64
Popularity of the first name Margaretr=0.620yrs64
Wind power generated in British Virgin Islandsr=0.7912yrs58
Average number of comments on PBS Space Time YouTube videosr=0.788yrs57
Popularity of the first name Frederickr=0.620yrs54
Google searches for 'tetanus'r=0.5719yrs52
Solar power generated in Libyar=0.7912yrs48
How clickbait-y The Game Theorists YouTube video titles arer=0.7314yrs46
Popularity of the first name Cecilr=0.620yrs44
Google searches for 'how to learn python'r=0.5716yrs39
Wind power generated in Madagascarr=0.7912yrs38
How geeky The Game Theorists YouTube video titles arer=0.7314yrs36
Popularity of the first name Almar=0.5820yrs32
Google searches for 'same day shipping'r=0.5419yrs28
Average length of The Game Theorists YouTube videosr=0.7214yrs24
Biomass power generated in Tanzaniar=0.7513yrs23
Popularity of the first name Celinar=0.5820yrs22
Google searches for 'white house hotline'r=0.5219yrs18
Solar power generated in Angolar=0.7512yrs12
Total length of Numberphile YouTube videosr=0.7212yrs12
Popularity of the first name Marar=0.5720yrs10
How trendy Mark Rober YouTube video titles arer=0.7212yrs2
Popularity of the first name Lizar=0.5720yrs0
Solar power generated in Afghanistanr=0.7312yrs-1
How nerdy The Game Theorists YouTube video titles arer=0.7114yrs-8
Popularity of the first name Larar=0.5620yrs-11
Renewable energy production in The Bahamasr=0.7212yrs-12
How cool The Game Theorists YouTube video titles arer=0.714yrs-19
Solar power generated in The Bahamasr=0.7212yrs-22
How good Tom Scott's YouTube video titles arer=0.6914yrs-30
Jet fuel used in Montenegror=0.716yrs-34
How insightful Tom Scott's YouTube video titles arer=0.6814yrs-42
Renewable energy production in British Virgin Islandsr=0.712yrs-46
Average length of Numberphile YouTube videosr=0.6812yrs-54
Hydopower energy generated in French Polynesiar=-0.8119yrs-58


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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.)
Error :(