Immigrants from Ireland vs South American Indian Married-couple Households

The statistical analysis conducted on geographies consisting of 240,743,344 people shows a poor positive correlation between the proportion of Immigrants from Ireland and percentage of married-couple family households in the United States with a correlation coefficient (R) of 0.131 and weighted average of 48.0%. Similarly, the statistical analysis conducted on geographies consisting of 164,540,449 people shows no correlation between the proportion of South American Indians and percentage of married-couple family households in the United States with a correlation coefficient (R) of 0.004 and weighted average of 46.0%, a difference of 4.3%.

Married-couple Households Correlation Summary

Measurement	Immigrants from Ireland	South American Indian
Minimum	32.8%	33.6%
Maximum	80.3%	85.1%
Range	47.5%	51.5%
Mean	54.1%	52.6%
Median	51.9%	48.0%
Interquartile 25% (IQ1)	47.4%	44.3%
Interquartile 75% (IQ3)	60.2%	59.6%
Interquartile Range (IQR)	12.8%	15.3%
Standard Deviation (Sample)	9.2%	11.9%
Standard Deviation (Population)	9.1%	11.7%

Similar Demographics by Married-couple Households

Demographics Similar to Immigrants from Ireland by Married-couple Households

In terms of married-couple households, the demographic groups most similar to Immigrants from Ireland are Afghan (48.0%, a difference of 0.0%), Belgian (48.0%, a difference of 0.010%), Cypriot (48.0%, a difference of 0.030%), Immigrants from Israel (48.0%, a difference of 0.040%), and French (48.0%, a difference of 0.050%).

Demographics	Rating \| Rank	Married-couple Households
Russians	98.1 /100 \| #80	Exceptional 48.2%
Finns	98.0 /100 \| #81	Exceptional 48.1%
Immigrants \| Poland	97.7 /100 \| #82	Exceptional 48.1%
Guamanians/Chamorros	97.6 /100 \| #83	Exceptional 48.1%
Ukrainians	97.6 /100 \| #84	Exceptional 48.1%
Immigrants \| Israel	97.4 /100 \| #85	Exceptional 48.0%
Belgians	97.4 /100 \| #86	Exceptional 48.0%
Immigrants \| Ireland	97.3 /100 \| #87	Exceptional 48.0%
Afghans	97.3 /100 \| #88	Exceptional 48.0%
Cypriots	97.2 /100 \| #89	Exceptional 48.0%
French	97.2 /100 \| #90	Exceptional 48.0%
Immigrants \| Moldova	97.0 /100 \| #91	Exceptional 48.0%
Palestinians	96.9 /100 \| #92	Exceptional 48.0%
Lebanese	96.9 /100 \| #93	Exceptional 47.9%
Americans	96.9 /100 \| #94	Exceptional 47.9%

Demographics Similar to South American Indians by Married-couple Households

In terms of married-couple households, the demographic groups most similar to South American Indians are Fijian (46.1%, a difference of 0.040%), Immigrants from Latvia (46.0%, a difference of 0.070%), Albanian (46.1%, a difference of 0.13%), Immigrants from Kuwait (46.0%, a difference of 0.14%), and Choctaw (46.0%, a difference of 0.17%).

Demographics	Rating \| Rank	Married-couple Households
Malaysians	41.8 /100 \| #181	Average 46.3%
Yugoslavians	38.9 /100 \| #182	Fair 46.2%
Immigrants \| Brazil	38.3 /100 \| #183	Fair 46.2%
Immigrants \| Switzerland	36.9 /100 \| #184	Fair 46.2%
Brazilians	35.9 /100 \| #185	Fair 46.2%
Albanians	31.1 /100 \| #186	Fair 46.1%
Fijians	29.2 /100 \| #187	Fair 46.1%
South American Indians	28.4 /100 \| #188	Fair 46.0%
Immigrants \| Latvia	26.9 /100 \| #189	Fair 46.0%
Immigrants \| Kuwait	25.6 /100 \| #190	Fair 46.0%
Choctaw	24.9 /100 \| #191	Fair 46.0%
Immigrants \| Northern Africa	24.6 /100 \| #192	Fair 46.0%
Taiwanese	23.4 /100 \| #193	Fair 45.9%
Mexican American Indians	23.3 /100 \| #194	Fair 45.9%
Chickasaw	22.7 /100 \| #195	Fair 45.9%