Welsh vs Immigrants from Nigeria 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 283,287,559 people shows a weak positive correlation between the proportion of Immigrants from Nigeria and percentage of married-couple family households in the United States with a correlation coefficient (R) of 0.233 and weighted average of 43.2%, a difference of 12.9%.

Married-couple Households Correlation Summary

Measurement	Welsh	Immigrants from Nigeria
Minimum	20.5%	22.2%
Maximum	100.0%	81.7%
Range	79.5%	59.5%
Mean	59.0%	44.4%
Median	54.3%	42.1%
Interquartile 25% (IQ1)	48.5%	36.8%
Interquartile 75% (IQ3)	62.0%	47.5%
Interquartile Range (IQR)	13.5%	10.7%
Standard Deviation (Sample)	19.3%	12.0%
Standard Deviation (Population)	19.2%	11.9%

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 Nigeria by Married-couple Households

In terms of married-couple households, the demographic groups most similar to Immigrants from Nigeria are Ethiopian (43.2%, a difference of 0.10%), Guatemalan (43.3%, a difference of 0.11%), Nigerian (43.2%, a difference of 0.11%), Yuman (43.3%, a difference of 0.21%), and Immigrants from Bangladesh (43.1%, a difference of 0.25%).

Demographics	Rating \| Rank	Married-couple Households
Moroccans	0.1 /100 \| #265	Tragic 43.5%
Ecuadorians	0.1 /100 \| #266	Tragic 43.5%
Natives/Alaskans	0.1 /100 \| #267	Tragic 43.5%
Immigrants \| Burma/Myanmar	0.1 /100 \| #268	Tragic 43.4%
Immigrants \| Sierra Leone	0.1 /100 \| #269	Tragic 43.3%
Yuman	0.1 /100 \| #270	Tragic 43.3%
Guatemalans	0.1 /100 \| #271	Tragic 43.3%
Immigrants \| Nigeria	0.1 /100 \| #272	Tragic 43.2%
Ethiopians	0.1 /100 \| #273	Tragic 43.2%
Nigerians	0.1 /100 \| #274	Tragic 43.2%
Immigrants \| Bangladesh	0.0 /100 \| #275	Tragic 43.1%
Immigrants \| Ethiopia	0.0 /100 \| #276	Tragic 43.1%
Immigrants \| Eastern Africa	0.0 /100 \| #277	Tragic 42.9%
Immigrants \| Africa	0.0 /100 \| #278	Tragic 42.9%
Sierra Leoneans	0.0 /100 \| #279	Tragic 42.9%