Pennsylvania German vs Immigrants from Iran 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 279,826,479 people shows a poor positive correlation between the proportion of Immigrants from Iran and percentage of married-couple family households in the United States with a correlation coefficient (R) of 0.137 and weighted average of 48.8%, a difference of 3.2%.

Married-couple Households Correlation Summary

Measurement	Pennsylvania German	Immigrants from Iran
Minimum	9.0%	24.8%
Maximum	100.0%	80.5%
Range	91.0%	55.7%
Mean	61.4%	53.5%
Median	60.8%	52.7%
Interquartile 25% (IQ1)	51.2%	46.2%
Interquartile 75% (IQ3)	70.0%	57.6%
Interquartile Range (IQR)	18.8%	11.3%
Standard Deviation (Sample)	18.6%	12.6%
Standard Deviation (Population)	18.5%	12.6%

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 Iran by Married-couple Households

In terms of married-couple households, the demographic groups most similar to Immigrants from Iran are Welsh (48.8%, a difference of 0.050%), Immigrants from Vietnam (48.8%, a difference of 0.060%), Immigrants from Eastern Asia (48.8%, a difference of 0.080%), Immigrants from Lebanon (48.9%, a difference of 0.10%), and Tsimshian (48.7%, a difference of 0.13%).

Demographics	Rating \| Rank	Married-couple Households
Iranians	99.7 /100 \| #36	Exceptional 49.0%
Sri Lankans	99.7 /100 \| #37	Exceptional 49.0%
Greeks	99.7 /100 \| #38	Exceptional 48.9%
Lithuanians	99.6 /100 \| #39	Exceptional 48.9%
Immigrants \| Bolivia	99.6 /100 \| #40	Exceptional 48.9%
Immigrants \| Lebanon	99.6 /100 \| #41	Exceptional 48.9%
Immigrants \| Vietnam	99.6 /100 \| #42	Exceptional 48.8%
Immigrants \| Iran	99.6 /100 \| #43	Exceptional 48.8%
Welsh	99.5 /100 \| #44	Exceptional 48.8%
Immigrants \| Eastern Asia	99.5 /100 \| #45	Exceptional 48.8%
Tsimshian	99.5 /100 \| #46	Exceptional 48.7%
British	99.5 /100 \| #47	Exceptional 48.7%
Indians (Asian)	99.4 /100 \| #48	Exceptional 48.7%
Immigrants \| Sri Lanka	99.4 /100 \| #49	Exceptional 48.7%
Samoans	99.4 /100 \| #50	Exceptional 48.7%