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US Dollar to Japanese Yen vs Sunspot Number
US Dollar to Japanese Yen and Sunspot Number correlate at r = +0.42 over 27 years (1999–2025), p = 0.030. With the time trend removed, r = +0.55. Holds up after detrending.
Verdict: Holds up after detrending. Statistically significant (p = 0.030) and the association survives trend removal (detrended r = 0.55). Correlation still isn't causation, but this one isn't an obvious artifact.
- Pearson r
- +0.42
- p-value
- 0.030
- Years compared (n)
- 27 (1999–2025)
- 95% confidence interval
- 0.05 to 0.69
- Correlation with the time trend removed
- +0.55
Sources
- US Dollar to Japanese Yen (JPY per USD): Frankfurter (ECB). Annual mean US Dollar to Japanese Yen exchange rate (European Central Bank reference rates).
- Sunspot Number (yearly mean): SILSO. Yearly mean total sunspot number (SILSO, Royal Observatory of Belgium).
Related pairs
- US Dollar to Japanese Yen vs US Youth Unemployment (r = -0.75)
- US Dollar to Japanese Yen vs US Unemployment Rate (r = -0.73)
- US Dollar to Japanese Yen vs US Solar Energy Consumption (r = +0.72)
- US Alcohol Consumption vs Sunspot Number (r = -0.70)
- US Dollar to Japanese Yen vs US Military Expenditure (r = -0.68)
- London Average Temperature vs US Dollar to Japanese Yen (r = +0.68)
Correlation does not imply causation. How the verdict is worked out.