Sierra Leonean vs Immigrants from Portugal Doctorate Degree

The statistical analysis conducted on geographies consisting of 83,237,718 people shows a moderate negative correlation between the proportion of Sierra Leoneans and percentage of population with at least doctorate degree education in the United States with a correlation coefficient (R) of -0.428 and weighted average of 2.0%. Similarly, the statistical analysis conducted on geographies consisting of 173,995,851 people shows a mild negative correlation between the proportion of Immigrants from Portugal and percentage of population with at least doctorate degree education in the United States with a correlation coefficient (R) of -0.399 and weighted average of 1.5%, a difference of 29.4%.

Doctorate Degree Correlation Summary

Measurement	Sierra Leonean	Immigrants from Portugal
Minimum	0.21%	0.14%
Maximum	4.7%	3.6%
Range	4.5%	3.5%
Mean	1.7%	1.2%
Median	1.7%	1.1%
Interquartile 25% (IQ1)	1.1%	0.64%
Interquartile 75% (IQ3)	2.2%	1.8%
Interquartile Range (IQR)	1.0%	1.2%
Standard Deviation (Sample)	0.95%	0.75%
Standard Deviation (Population)	0.94%	0.75%

Similar Demographics by Doctorate Degree

Demographics Similar to Sierra Leoneans by Doctorate Degree

In terms of doctorate degree, the demographic groups most similar to Sierra Leoneans are Immigrants from Moldova (2.0%, a difference of 0.21%), Italian (2.0%, a difference of 0.25%), Kenyan (1.9%, a difference of 0.39%), Immigrants from Syria (1.9%, a difference of 0.41%), and Senegalese (2.0%, a difference of 0.46%).

Demographics	Rating \| Rank	Doctorate Degree
Swedes	88.3 /100 \| #136	Excellent 2.0%
South American Indians	88.3 /100 \| #137	Excellent 2.0%
Swiss	88.0 /100 \| #138	Excellent 2.0%
Afghans	87.2 /100 \| #139	Excellent 2.0%
Immigrants \| Africa	87.0 /100 \| #140	Excellent 2.0%
Senegalese	86.7 /100 \| #141	Excellent 2.0%
Italians	86.0 /100 \| #142	Excellent 2.0%
Sierra Leoneans	85.1 /100 \| #143	Excellent 2.0%
Immigrants \| Moldova	84.3 /100 \| #144	Excellent 2.0%
Kenyans	83.6 /100 \| #145	Excellent 1.9%
Immigrants \| Syria	83.6 /100 \| #146	Excellent 1.9%
Immigrants \| Senegal	82.5 /100 \| #147	Excellent 1.9%
Luxembourgers	81.1 /100 \| #148	Excellent 1.9%
Basques	76.9 /100 \| #149	Good 1.9%
English	75.9 /100 \| #150	Good 1.9%

Demographics Similar to Immigrants from Portugal by Doctorate Degree

In terms of doctorate degree, the demographic groups most similar to Immigrants from Portugal are Chickasaw (1.5%, a difference of 0.15%), Immigrants from Bahamas (1.5%, a difference of 0.32%), Japanese (1.5%, a difference of 0.46%), Blackfeet (1.5%, a difference of 0.51%), and Liberian (1.5%, a difference of 0.56%).

Demographics	Rating \| Rank	Doctorate Degree
Immigrants \| Cambodia	1.0 /100 \| #254	Tragic 1.5%
Trinidadians and Tobagonians	1.0 /100 \| #255	Tragic 1.5%
Central American Indians	1.0 /100 \| #256	Tragic 1.5%
Chippewa	0.9 /100 \| #257	Tragic 1.5%
Immigrants \| West Indies	0.9 /100 \| #258	Tragic 1.5%
Liberians	0.9 /100 \| #259	Tragic 1.5%
Japanese	0.9 /100 \| #260	Tragic 1.5%
Immigrants \| Portugal	0.8 /100 \| #261	Tragic 1.5%
Chickasaw	0.7 /100 \| #262	Tragic 1.5%
Immigrants \| Bahamas	0.7 /100 \| #263	Tragic 1.5%
Blackfeet	0.7 /100 \| #264	Tragic 1.5%
Nicaraguans	0.6 /100 \| #265	Tragic 1.5%
Immigrants \| Liberia	0.5 /100 \| #266	Tragic 1.5%
Kiowa	0.5 /100 \| #267	Tragic 1.5%
U.S. Virgin Islanders	0.5 /100 \| #268	Tragic 1.5%