Immigrants from Portugal vs African Married-couple Households

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%. Similarly, the statistical analysis conducted on geographies consisting of 469,585,166 people shows a slight negative correlation between the proportion of Africans and percentage of married-couple family households in the United States with a correlation coefficient (R) of -0.071 and weighted average of 40.9%, a difference of 10.4%.

Married-couple Households Correlation Summary

Measurement	Immigrants from Portugal	African
Minimum	13.2%	12.5%
Maximum	73.9%	72.3%
Range	60.7%	59.8%
Mean	44.7%	36.0%
Median	46.8%	36.7%
Interquartile 25% (IQ1)	38.8%	31.1%
Interquartile 75% (IQ3)	51.9%	39.9%
Interquartile Range (IQR)	13.1%	8.8%
Standard Deviation (Sample)	11.7%	10.3%
Standard Deviation (Population)	11.6%	10.2%

Similar Demographics by Married-couple Households

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%

Demographics Similar to Africans by Married-couple Households

In terms of married-couple households, the demographic groups most similar to Africans are Immigrants from Haiti (40.9%, a difference of 0.060%), Colville (41.0%, a difference of 0.090%), Jamaican (40.9%, a difference of 0.14%), Trinidadian and Tobagonian (40.9%, a difference of 0.22%), and Immigrants from Caribbean (40.8%, a difference of 0.40%).

Demographics	Rating \| Rank	Married-couple Households
Sioux	0.0 /100 \| #305	Tragic 41.5%
Guyanese	0.0 /100 \| #306	Tragic 41.4%
Immigrants \| Western Africa	0.0 /100 \| #307	Tragic 41.4%
Crow	0.0 /100 \| #308	Tragic 41.4%
Immigrants \| Trinidad and Tobago	0.0 /100 \| #309	Tragic 41.2%
Haitians	0.0 /100 \| #310	Tragic 41.2%
Colville	0.0 /100 \| #311	Tragic 41.0%
Africans	0.0 /100 \| #312	Tragic 40.9%
Immigrants \| Haiti	0.0 /100 \| #313	Tragic 40.9%
Jamaicans	0.0 /100 \| #314	Tragic 40.9%
Trinidadians and Tobagonians	0.0 /100 \| #315	Tragic 40.9%
Immigrants \| Caribbean	0.0 /100 \| #316	Tragic 40.8%
Immigrants \| Jamaica	0.0 /100 \| #317	Tragic 40.7%
Liberians	0.0 /100 \| #318	Tragic 40.7%
Bahamians	0.0 /100 \| #319	Tragic 40.5%