Pennsylvania German vs Immigrants from Bulgaria Married-couple Households

The statistical analysis conducted on geographies consisting of 234,055,760 people shows a weak positive correlation between the proportion of Pennsylvania Germans and percentage of married-couple family households in the United States with a correlation coefficient (R) of 0.298 and weighted average of 50.4%. Similarly, the statistical analysis conducted on geographies consisting of 172,541,029 people shows a significant positive correlation between the proportion of Immigrants from Bulgaria and percentage of married-couple family households in the United States with a correlation coefficient (R) of 0.642 and weighted average of 47.0%, a difference of 7.2%.

Married-couple Households Correlation Summary

Measurement	Pennsylvania German	Immigrants from Bulgaria
Minimum	9.0%	14.5%
Maximum	100.0%	100.0%
Range	91.0%	85.5%
Mean	61.4%	54.3%
Median	60.8%	54.5%
Interquartile 25% (IQ1)	51.2%	48.2%
Interquartile 75% (IQ3)	70.0%	58.2%
Interquartile Range (IQR)	18.8%	10.0%
Standard Deviation (Sample)	18.6%	15.6%
Standard Deviation (Population)	18.5%	15.2%

Similar Demographics by Married-couple Households

Demographics Similar to Pennsylvania Germans by Married-couple Households

In terms of married-couple households, the demographic groups most similar to Pennsylvania Germans are Chinese (50.4%, a difference of 0.0%), Immigrants from Pakistan (50.1%, a difference of 0.44%), Immigrants from South Central Asia (50.6%, a difference of 0.55%), Swiss (49.9%, a difference of 0.81%), and Immigrants from Korea (49.9%, a difference of 0.98%).

Demographics	Rating \| Rank	Married-couple Households
Immigrants \| Taiwan	100.0 /100 \| #2	Exceptional 52.4%
Thais	100.0 /100 \| #3	Exceptional 51.9%
Assyrians/Chaldeans/Syriacs	100.0 /100 \| #4	Exceptional 51.8%
Tongans	100.0 /100 \| #5	Exceptional 51.6%
Danes	100.0 /100 \| #6	Exceptional 51.1%
Filipinos	100.0 /100 \| #7	Exceptional 51.0%
Immigrants \| South Central Asia	100.0 /100 \| #8	Exceptional 50.6%
Pennsylvania Germans	100.0 /100 \| #9	Exceptional 50.4%
Chinese	100.0 /100 \| #10	Exceptional 50.4%
Immigrants \| Pakistan	100.0 /100 \| #11	Exceptional 50.1%
Swiss	100.0 /100 \| #12	Exceptional 49.9%
Immigrants \| Korea	100.0 /100 \| #13	Exceptional 49.9%
Burmese	100.0 /100 \| #14	Exceptional 49.8%
Koreans	99.9 /100 \| #15	Exceptional 49.7%
Swedes	99.9 /100 \| #16	Exceptional 49.7%

Demographics Similar to Immigrants from Bulgaria by Married-couple Households

In terms of married-couple households, the demographic groups most similar to Immigrants from Bulgaria are Serbian (47.0%, a difference of 0.020%), Hmong (47.0%, a difference of 0.030%), Immigrants from Western Asia (46.9%, a difference of 0.040%), Arab (46.9%, a difference of 0.040%), and Immigrants from Russia (47.0%, a difference of 0.050%).

Demographics	Rating \| Rank	Married-couple Households
Mexicans	83.4 /100 \| #144	Excellent 47.1%
Slovenes	81.7 /100 \| #145	Excellent 47.1%
Immigrants \| Western Europe	81.6 /100 \| #146	Excellent 47.1%
Immigrants \| Syria	81.6 /100 \| #147	Excellent 47.1%
Icelanders	79.5 /100 \| #148	Good 47.0%
Paraguayans	78.7 /100 \| #149	Good 47.0%
Immigrants \| Russia	77.6 /100 \| #150	Good 47.0%
Immigrants \| Bulgaria	76.8 /100 \| #151	Good 47.0%
Serbians	76.3 /100 \| #152	Good 47.0%
Hmong	76.2 /100 \| #153	Good 47.0%
Immigrants \| Western Asia	76.1 /100 \| #154	Good 46.9%
Arabs	76.0 /100 \| #155	Good 46.9%
Armenians	75.4 /100 \| #156	Good 46.9%
Immigrants \| Oceania	74.8 /100 \| #157	Good 46.9%
Immigrants \| Nonimmigrants	73.3 /100 \| #158	Good 46.9%