Scotch-Irish vs Immigrants from Portugal Median Earnings

The statistical analysis conducted on geographies consisting of 548,498,961 people shows a mild negative correlation between the proportion of Scotch-Irish and median earnings in the United States with a correlation coefficient (R) of -0.327 and weighted average of $44,924. Similarly, the statistical analysis conducted on geographies consisting of 174,787,782 people shows a weak negative correlation between the proportion of Immigrants from Portugal and median earnings in the United States with a correlation coefficient (R) of -0.214 and weighted average of $47,304, a difference of 5.3%.

Median Earnings Correlation Summary

Measurement	Scotch-Irish	Immigrants from Portugal
Minimum	$2,499	$21,818
Maximum	$74,508	$81,250
Range	$72,009	$59,432
Mean	$38,268	$46,644
Median	$39,708	$47,553
Interquartile 25% (IQ1)	$32,986	$40,436
Interquartile 75% (IQ3)	$43,991	$52,307
Interquartile Range (IQR)	$11,005	$11,871
Standard Deviation (Sample)	$12,720	$9,540
Standard Deviation (Population)	$12,639	$9,471

Similar Demographics by Median Earnings

Demographics Similar to Scotch-Irish by Median Earnings

In terms of median earnings, the demographic groups most similar to Scotch-Irish are Immigrants from Western Africa ($44,893, a difference of 0.070%), Immigrants from Iraq ($44,988, a difference of 0.14%), Japanese ($44,825, a difference of 0.22%), Native Hawaiian ($45,027, a difference of 0.23%), and Immigrants from Nigeria ($45,030, a difference of 0.24%).

Demographics	Rating \| Rank	Median Earnings
Immigrants \| Panama	15.0 /100 \| #222	Poor $45,198
Whites/Caucasians	15.0 /100 \| #223	Poor $45,197
West Indians	13.9 /100 \| #224	Poor $45,132
Immigrants \| Cambodia	13.2 /100 \| #225	Poor $45,090
Immigrants \| Nigeria	12.2 /100 \| #226	Poor $45,030
Native Hawaiians	12.2 /100 \| #227	Poor $45,027
Immigrants \| Iraq	11.6 /100 \| #228	Poor $44,988
Scotch-Irish	10.7 /100 \| #229	Poor $44,924
Immigrants \| Western Africa	10.3 /100 \| #230	Poor $44,893
Japanese	9.5 /100 \| #231	Tragic $44,825
Delaware	9.0 /100 \| #232	Tragic $44,783
Immigrants \| Sudan	8.8 /100 \| #233	Tragic $44,767
Cape Verdeans	7.5 /100 \| #234	Tragic $44,640
Venezuelans	6.9 /100 \| #235	Tragic $44,580
British West Indians	6.7 /100 \| #236	Tragic $44,552

Demographics Similar to Immigrants from Portugal by Median Earnings

In terms of median earnings, the demographic groups most similar to Immigrants from Portugal are Immigrants from Vietnam ($47,282, a difference of 0.050%), Irish ($47,276, a difference of 0.060%), Czech ($47,221, a difference of 0.18%), Slavic ($47,470, a difference of 0.35%), and Slovak ($47,095, a difference of 0.44%).

Demographics	Rating \| Rank	Median Earnings
Immigrants \| South Eastern Asia	85.0 /100 \| #147	Excellent $47,671
Immigrants \| Eritrea	84.8 /100 \| #148	Excellent $47,657
Luxembourgers	84.5 /100 \| #149	Excellent $47,640
Peruvians	84.2 /100 \| #150	Excellent $47,628
Immigrants \| Oceania	84.1 /100 \| #151	Excellent $47,617
Immigrants \| Germany	83.1 /100 \| #152	Excellent $47,566
Slavs	81.1 /100 \| #153	Excellent $47,470
Immigrants \| Portugal	77.3 /100 \| #154	Good $47,304
Immigrants \| Vietnam	76.7 /100 \| #155	Good $47,282
Irish	76.6 /100 \| #156	Good $47,276
Czechs	75.1 /100 \| #157	Good $47,221
Slovaks	71.7 /100 \| #158	Good $47,095
Immigrants \| Peru	69.6 /100 \| #159	Good $47,025
Alsatians	69.6 /100 \| #160	Good $47,023
Immigrants \| Eastern Africa	68.0 /100 \| #161	Good $46,969