Immigrants from Ireland vs Costa Rican 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 253,452,851 people shows a slight negative correlation between the proportion of Costa Ricans and percentage of married-couple family households in the United States with a correlation coefficient (R) of -0.079 and weighted average of 47.2%, a difference of 1.8%.

Married-couple Households Correlation Summary

Measurement	Immigrants from Ireland	Costa Rican
Minimum	32.8%	20.3%
Maximum	80.3%	78.9%
Range	47.5%	58.6%
Mean	54.1%	52.2%
Median	51.9%	51.6%
Interquartile 25% (IQ1)	47.4%	45.9%
Interquartile 75% (IQ3)	60.2%	56.0%
Interquartile Range (IQR)	12.8%	10.1%
Standard Deviation (Sample)	9.2%	9.9%
Standard Deviation (Population)	9.1%	9.8%

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 Costa Ricans by Married-couple Households

In terms of married-couple households, the demographic groups most similar to Costa Ricans are Spanish (47.2%, a difference of 0.0%), Immigrants from Sweden (47.2%, a difference of 0.020%), Spaniard (47.2%, a difference of 0.020%), Immigrants from Belarus (47.2%, a difference of 0.040%), and Immigrants from Afghanistan (47.2%, a difference of 0.050%).

Demographics	Rating \| Rank	Married-couple Households
Immigrants \| Greece	86.0 /100 \| #134	Excellent 47.2%
Immigrants \| Argentina	86.0 /100 \| #135	Excellent 47.2%
New Zealanders	85.3 /100 \| #136	Excellent 47.2%
Immigrants \| Malaysia	85.2 /100 \| #137	Excellent 47.2%
Immigrants \| Afghanistan	85.1 /100 \| #138	Excellent 47.2%
Immigrants \| Sweden	84.7 /100 \| #139	Excellent 47.2%
Spanish	84.5 /100 \| #140	Excellent 47.2%
Costa Ricans	84.4 /100 \| #141	Excellent 47.2%
Spaniards	84.1 /100 \| #142	Excellent 47.2%
Immigrants \| Belarus	83.8 /100 \| #143	Excellent 47.2%
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%