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US Marriage Rate vs Worldwide Major Earthquakes (M5+)
US Marriage Rate and Worldwide Major Earthquakes (M5+) correlate at r = -0.38 over 62 years (1960–2022), p = 0.0021. With the time trend removed, r = +0.52. Direction flips without the trend.
Verdict: Direction flips without the trend. The raw correlation is -0.38, but once each series' time trend is removed it becomes 0.52. The year-to-year movements run the opposite way to the long-run trends, so the headline number is misleading.
- Pearson r
- -0.38
- p-value
- 0.0021
- Years compared (n)
- 62 (1960–2022)
- 95% confidence interval
- -0.58 to -0.15
- Correlation with the time trend removed
- +0.52
Sources
- US Marriage Rate (per 1,000 people): Our World in Data. US Marriage Rate (Our World in Data: Crude marriage rate).
- Worldwide Major Earthquakes (M5+) (earthquakes per year): USGS. Annual worldwide count of magnitude 5+ earthquakes (USGS ComCat).
Related pairs
- US Marriage Rate vs US Adult Obesity (r = -0.98)
- US Marriage Rate vs US Resident Patent Applications (r = -0.95)
- US Marriage Rate vs US Mobile Subscriptions (r = -0.95)
- Atmospheric Methane (global) vs US Marriage Rate (r = -0.95)
- US Marriage Rate vs US Health Expenditure (r = -0.94)
- US Alcohol Consumption vs US Marriage Rate (r = -0.94)
Correlation does not imply causation. How the verdict is worked out.