Polish vs Immigrants from Portugal Births to Unmarried Women

The statistical analysis conducted on geographies consisting of 497,645,952 people shows a moderate positive correlation between the proportion of Poles and percentage of births to unmarried women in the United States with a correlation coefficient (R) of 0.415 and weighted average of 30.8%. Similarly, the statistical analysis conducted on geographies consisting of 165,718,772 people shows a moderate positive correlation between the proportion of Immigrants from Portugal and percentage of births to unmarried women in the United States with a correlation coefficient (R) of 0.439 and weighted average of 36.2%, a difference of 17.4%.

Births to Unmarried Women Correlation Summary

Measurement	Polish	Immigrants from Portugal
Minimum	4.8%	12.7%
Maximum	100.0%	100.0%
Range	95.2%	87.3%
Mean	34.7%	41.1%
Median	30.0%	35.5%
Interquartile 25% (IQ1)	25.6%	27.5%
Interquartile 75% (IQ3)	34.5%	52.9%
Interquartile Range (IQR)	9.0%	25.4%
Standard Deviation (Sample)	20.7%	20.3%
Standard Deviation (Population)	20.6%	20.1%

Similar Demographics by Births to Unmarried Women

Demographics Similar to Poles by Births to Unmarried Women

In terms of births to unmarried women, the demographic groups most similar to Poles are British (30.8%, a difference of 0.020%), Italian (30.8%, a difference of 0.11%), Yugoslavian (30.8%, a difference of 0.14%), Somali (30.7%, a difference of 0.22%), and Immigrants from Bangladesh (30.9%, a difference of 0.29%).

Demographics	Rating \| Rank	Births to Unmarried Women
Immigrants \| North America	81.5 /100 \| #145	Excellent 30.6%
Northern Europeans	81.4 /100 \| #146	Excellent 30.6%
Immigrants \| Oceania	81.2 /100 \| #147	Excellent 30.6%
Chileans	79.1 /100 \| #148	Good 30.7%
Serbians	78.8 /100 \| #149	Good 30.7%
Somalis	77.8 /100 \| #150	Good 30.7%
Italians	77.0 /100 \| #151	Good 30.8%
Poles	76.2 /100 \| #152	Good 30.8%
British	76.0 /100 \| #153	Good 30.8%
Yugoslavians	75.1 /100 \| #154	Good 30.8%
Immigrants \| Bangladesh	73.9 /100 \| #155	Good 30.9%
Carpatho Rusyns	73.5 /100 \| #156	Good 30.9%
Immigrants \| Eastern Africa	72.1 /100 \| #157	Good 31.0%
Austrians	69.9 /100 \| #158	Good 31.0%
Immigrants \| England	69.4 /100 \| #159	Good 31.1%

Demographics Similar to Immigrants from Portugal by Births to Unmarried Women

In terms of births to unmarried women, the demographic groups most similar to Immigrants from Portugal are Potawatomi (36.2%, a difference of 0.22%), Chickasaw (36.3%, a difference of 0.36%), Immigrants from Trinidad and Tobago (36.3%, a difference of 0.36%), Immigrants from Grenada (36.3%, a difference of 0.39%), and Salvadoran (36.0%, a difference of 0.46%).

Demographics	Rating \| Rank	Births to Unmarried Women
Nigerians	0.7 /100 \| #246	Tragic 35.3%
Immigrants \| Nigeria	0.7 /100 \| #247	Tragic 35.4%
Immigrants \| Nonimmigrants	0.6 /100 \| #248	Tragic 35.5%
Bermudans	0.6 /100 \| #249	Tragic 35.5%
Mexican American Indians	0.4 /100 \| #250	Tragic 35.7%
Immigrants \| Western Africa	0.3 /100 \| #251	Tragic 36.0%
Salvadorans	0.3 /100 \| #252	Tragic 36.0%
Immigrants \| Portugal	0.2 /100 \| #253	Tragic 36.2%
Potawatomi	0.2 /100 \| #254	Tragic 36.2%
Chickasaw	0.2 /100 \| #255	Tragic 36.3%
Immigrants \| Trinidad and Tobago	0.2 /100 \| #256	Tragic 36.3%
Immigrants \| Grenada	0.2 /100 \| #257	Tragic 36.3%
Americans	0.2 /100 \| #258	Tragic 36.4%
Immigrants \| El Salvador	0.2 /100 \| #259	Tragic 36.4%
Ottawa	0.2 /100 \| #260	Tragic 36.5%