Polish vs Immigrants from Portugal Married-couple Households

The statistical analysis conducted on geographies consisting of 559,940,539 people shows a mild positive correlation between the proportion of Poles and percentage of married-couple family households in the United States with a correlation coefficient (R) of 0.369 and weighted average of 48.5%. Similarly, the statistical analysis conducted on geographies consisting of 174,766,894 people shows a mild negative correlation between the proportion of Immigrants from Portugal and percentage of married-couple family households in the United States with a correlation coefficient (R) of -0.375 and weighted average of 45.2%, a difference of 7.4%.

Married-couple Households Correlation Summary

Measurement	Polish	Immigrants from Portugal
Minimum	19.1%	13.2%
Maximum	100.0%	73.9%
Range	80.9%	60.7%
Mean	53.2%	44.7%
Median	50.3%	46.8%
Interquartile 25% (IQ1)	46.2%	38.8%
Interquartile 75% (IQ3)	56.0%	51.9%
Interquartile Range (IQR)	9.8%	13.1%
Standard Deviation (Sample)	15.2%	11.7%
Standard Deviation (Population)	15.1%	11.6%

Similar Demographics by Married-couple Households

Demographics Similar to Poles by Married-couple Households

In terms of married-couple households, the demographic groups most similar to Poles are Immigrants from Indonesia (48.5%, a difference of 0.0%), Czechoslovakian (48.5%, a difference of 0.010%), Croatian (48.5%, a difference of 0.080%), Immigrants from Lithuania (48.6%, a difference of 0.090%), and Austrian (48.6%, a difference of 0.090%).

Demographics	Rating \| Rank	Married-couple Households
Samoans	99.4 /100 \| #50	Exceptional 48.7%
Eastern Europeans	99.3 /100 \| #51	Exceptional 48.6%
Irish	99.3 /100 \| #52	Exceptional 48.6%
Whites/Caucasians	99.3 /100 \| #53	Exceptional 48.6%
Immigrants \| Lithuania	99.3 /100 \| #54	Exceptional 48.6%
Austrians	99.3 /100 \| #55	Exceptional 48.6%
Immigrants \| Northern Europe	99.3 /100 \| #56	Exceptional 48.6%
Poles	99.2 /100 \| #57	Exceptional 48.5%
Immigrants \| Indonesia	99.2 /100 \| #58	Exceptional 48.5%
Czechoslovakians	99.2 /100 \| #59	Exceptional 48.5%
Croatians	99.1 /100 \| #60	Exceptional 48.5%
Bulgarians	99.1 /100 \| #61	Exceptional 48.5%
Luxembourgers	99.1 /100 \| #62	Exceptional 48.5%
Basques	99.0 /100 \| #63	Exceptional 48.4%
Northern Europeans	99.0 /100 \| #64	Exceptional 48.4%

Demographics Similar to Immigrants from Portugal by Married-couple Households

In terms of married-couple households, the demographic groups most similar to Immigrants from Portugal are Immigrants from Nepal (45.2%, a difference of 0.0%), Japanese (45.2%, a difference of 0.020%), Panamanian (45.2%, a difference of 0.020%), Yakama (45.2%, a difference of 0.050%), and Immigrants from the Azores (45.2%, a difference of 0.050%).

Demographics	Rating \| Rank	Married-couple Households
Immigrants \| Uzbekistan	8.4 /100 \| #209	Tragic 45.4%
Cubans	7.7 /100 \| #210	Tragic 45.4%
Immigrants \| Spain	7.3 /100 \| #211	Tragic 45.3%
Creek	6.4 /100 \| #212	Tragic 45.3%
Yakama	5.8 /100 \| #213	Tragic 45.2%
Japanese	5.7 /100 \| #214	Tragic 45.2%
Immigrants \| Nepal	5.6 /100 \| #215	Tragic 45.2%
Immigrants \| Portugal	5.6 /100 \| #216	Tragic 45.2%
Panamanians	5.5 /100 \| #217	Tragic 45.2%
Immigrants \| Azores	5.3 /100 \| #218	Tragic 45.2%
Nicaraguans	5.3 /100 \| #219	Tragic 45.2%
Immigrants \| Thailand	5.1 /100 \| #220	Tragic 45.2%
Tlingit-Haida	4.9 /100 \| #221	Tragic 45.1%
Immigrants \| Laos	4.6 /100 \| #222	Tragic 45.1%
Immigrants \| Cambodia	2.7 /100 \| #223	Tragic 44.9%