Welsh vs Immigrants from Poland Married-couple Households

The statistical analysis conducted on geographies consisting of 528,152,714 people shows a substantial positive correlation between the proportion of Welsh and percentage of married-couple family households in the United States with a correlation coefficient (R) of 0.521 and weighted average of 48.8%. Similarly, the statistical analysis conducted on geographies consisting of 304,780,020 people shows a poor negative correlation between the proportion of Immigrants from Poland and percentage of married-couple family households in the United States with a correlation coefficient (R) of -0.198 and weighted average of 48.1%, a difference of 1.5%.

Married-couple Households Correlation Summary

Measurement	Welsh	Immigrants from Poland
Minimum	20.5%	25.9%
Maximum	100.0%	77.7%
Range	79.5%	51.8%
Mean	59.0%	49.8%
Median	54.3%	50.8%
Interquartile 25% (IQ1)	48.5%	46.0%
Interquartile 75% (IQ3)	62.0%	54.1%
Interquartile Range (IQR)	13.5%	8.1%
Standard Deviation (Sample)	19.3%	9.3%
Standard Deviation (Population)	19.2%	9.2%

Similar Demographics by Married-couple Households

Demographics Similar to Welsh by Married-couple Households

In terms of married-couple households, the demographic groups most similar to Welsh are Immigrants from Eastern Asia (48.8%, a difference of 0.030%), Immigrants from Iran (48.8%, a difference of 0.050%), Tsimshian (48.7%, a difference of 0.080%), Immigrants from Vietnam (48.8%, a difference of 0.10%), and British (48.7%, a difference of 0.10%).

Demographics	Rating \| Rank	Married-couple Households
Sri Lankans	99.7 /100 \| #37	Exceptional 49.0%
Greeks	99.7 /100 \| #38	Exceptional 48.9%
Lithuanians	99.6 /100 \| #39	Exceptional 48.9%
Immigrants \| Bolivia	99.6 /100 \| #40	Exceptional 48.9%
Immigrants \| Lebanon	99.6 /100 \| #41	Exceptional 48.9%
Immigrants \| Vietnam	99.6 /100 \| #42	Exceptional 48.8%
Immigrants \| Iran	99.6 /100 \| #43	Exceptional 48.8%
Welsh	99.5 /100 \| #44	Exceptional 48.8%
Immigrants \| Eastern Asia	99.5 /100 \| #45	Exceptional 48.8%
Tsimshian	99.5 /100 \| #46	Exceptional 48.7%
British	99.5 /100 \| #47	Exceptional 48.7%
Indians (Asian)	99.4 /100 \| #48	Exceptional 48.7%
Immigrants \| Sri Lanka	99.4 /100 \| #49	Exceptional 48.7%
Samoans	99.4 /100 \| #50	Exceptional 48.7%
Eastern Europeans	99.3 /100 \| #51	Exceptional 48.6%

Demographics Similar to Immigrants from Poland by Married-couple Households

In terms of married-couple households, the demographic groups most similar to Immigrants from Poland are Guamanian/Chamorro (48.1%, a difference of 0.020%), Ukrainian (48.1%, a difference of 0.040%), Immigrants from Israel (48.0%, a difference of 0.090%), Belgian (48.0%, a difference of 0.11%), and Immigrants from Ireland (48.0%, a difference of 0.13%).

Demographics	Rating \| Rank	Married-couple Households
Immigrants \| England	98.4 /100 \| #75	Exceptional 48.2%
Immigrants \| Fiji	98.4 /100 \| #76	Exceptional 48.2%
Canadians	98.2 /100 \| #77	Exceptional 48.2%
Egyptians	98.2 /100 \| #78	Exceptional 48.2%
Immigrants \| Netherlands	98.2 /100 \| #79	Exceptional 48.2%
Russians	98.1 /100 \| #80	Exceptional 48.2%
Finns	98.0 /100 \| #81	Exceptional 48.1%
Immigrants \| Poland	97.7 /100 \| #82	Exceptional 48.1%
Guamanians/Chamorros	97.6 /100 \| #83	Exceptional 48.1%
Ukrainians	97.6 /100 \| #84	Exceptional 48.1%
Immigrants \| Israel	97.4 /100 \| #85	Exceptional 48.0%
Belgians	97.4 /100 \| #86	Exceptional 48.0%
Immigrants \| Ireland	97.3 /100 \| #87	Exceptional 48.0%
Afghans	97.3 /100 \| #88	Exceptional 48.0%
Cypriots	97.2 /100 \| #89	Exceptional 48.0%