Immigrants from Portugal vs Ethiopian Single Mother Households

The statistical analysis conducted on geographies consisting of 174,517,649 people shows a weak positive correlation between the proportion of Immigrants from Portugal and percentage of single mother households in the United States with a correlation coefficient (R) of 0.251 and weighted average of 7.2%. Similarly, the statistical analysis conducted on geographies consisting of 222,859,722 people shows a poor negative correlation between the proportion of Ethiopians and percentage of single mother households in the United States with a correlation coefficient (R) of -0.136 and weighted average of 6.5%, a difference of 10.7%.

Single Mother Households Correlation Summary

Measurement	Immigrants from Portugal	Ethiopian
Minimum	2.5%	0.92%
Maximum	16.4%	10.1%
Range	13.9%	9.2%
Mean	7.3%	6.4%
Median	6.7%	6.4%
Interquartile 25% (IQ1)	5.5%	5.3%
Interquartile 75% (IQ3)	9.0%	7.3%
Interquartile Range (IQR)	3.5%	2.0%
Standard Deviation (Sample)	3.1%	1.9%
Standard Deviation (Population)	3.1%	1.9%

Similar Demographics by Single Mother Households

Demographics Similar to Immigrants from Portugal by Single Mother Households

In terms of single mother households, the demographic groups most similar to Immigrants from Portugal are Fijian (7.2%, a difference of 0.080%), Ecuadorian (7.2%, a difference of 0.13%), Cuban (7.2%, a difference of 0.19%), Immigrants from Panama (7.2%, a difference of 0.35%), and Immigrants from Cambodia (7.2%, a difference of 0.54%).

Demographics	Rating \| Rank	Single Mother Households
Chickasaw	1.4 /100 \| #234	Tragic 7.0%
Immigrants \| Burma/Myanmar	1.4 /100 \| #235	Tragic 7.0%
Ute	1.0 /100 \| #236	Tragic 7.1%
Arapaho	1.0 /100 \| #237	Tragic 7.1%
Panamanians	0.9 /100 \| #238	Tragic 7.1%
Kiowa	0.8 /100 \| #239	Tragic 7.1%
Immigrants \| Panama	0.7 /100 \| #240	Tragic 7.2%
Immigrants \| Portugal	0.6 /100 \| #241	Tragic 7.2%
Fijians	0.6 /100 \| #242	Tragic 7.2%
Ecuadorians	0.6 /100 \| #243	Tragic 7.2%
Cubans	0.6 /100 \| #244	Tragic 7.2%
Immigrants \| Cambodia	0.5 /100 \| #245	Tragic 7.2%
Nicaraguans	0.5 /100 \| #246	Tragic 7.2%
Dutch West Indians	0.4 /100 \| #247	Tragic 7.3%
Spanish American Indians	0.4 /100 \| #248	Tragic 7.3%

Demographics Similar to Ethiopians by Single Mother Households

In terms of single mother households, the demographic groups most similar to Ethiopians are Ugandan (6.5%, a difference of 0.060%), Costa Rican (6.5%, a difference of 0.17%), Immigrants from Afghanistan (6.5%, a difference of 0.19%), Spaniard (6.5%, a difference of 0.24%), and Ottawa (6.5%, a difference of 0.32%).

Demographics	Rating \| Rank	Single Mother Households
Osage	43.0 /100 \| #177	Average 6.4%
Portuguese	40.0 /100 \| #178	Fair 6.4%
Hmong	39.8 /100 \| #179	Fair 6.4%
Immigrants \| Nepal	36.1 /100 \| #180	Fair 6.4%
Spanish	33.4 /100 \| #181	Fair 6.4%
South American Indians	33.4 /100 \| #182	Fair 6.4%
Spaniards	27.8 /100 \| #183	Fair 6.5%
Ethiopians	26.0 /100 \| #184	Fair 6.5%
Ugandans	25.6 /100 \| #185	Fair 6.5%
Costa Ricans	24.8 /100 \| #186	Fair 6.5%
Immigrants \| Afghanistan	24.7 /100 \| #187	Fair 6.5%
Ottawa	23.8 /100 \| #188	Fair 6.5%
Delaware	23.3 /100 \| #189	Fair 6.5%
Peruvians	21.6 /100 \| #190	Fair 6.5%
Samoans	21.2 /100 \| #191	Fair 6.5%