Welsh vs Immigrants from South America Married-couple Households

The statistical analysis conducted on geographies consisting of 528,152,714 people shows a substantial positive correlation between the proportion of Welsh and percentage of married-couple family households in the United States with a correlation coefficient (R) of 0.521 and weighted average of 48.8%. Similarly, the statistical analysis conducted on geographies consisting of 486,013,684 people shows a mild positive correlation between the proportion of Immigrants from South America and percentage of married-couple family households in the United States with a correlation coefficient (R) of 0.375 and weighted average of 45.9%, a difference of 6.3%.

Married-couple Households Correlation Summary

Measurement	Welsh	Immigrants from South America
Minimum	20.5%	22.2%
Maximum	100.0%	100.0%
Range	79.5%	77.8%
Mean	59.0%	47.6%
Median	54.3%	46.2%
Interquartile 25% (IQ1)	48.5%	42.7%
Interquartile 75% (IQ3)	62.0%	49.4%
Interquartile Range (IQR)	13.5%	6.7%
Standard Deviation (Sample)	19.3%	11.7%
Standard Deviation (Population)	19.2%	11.6%

Similar Demographics by Married-couple Households

Demographics Similar to Welsh by Married-couple Households

In terms of married-couple households, the demographic groups most similar to Welsh are Immigrants from Eastern Asia (48.8%, a difference of 0.030%), Immigrants from Iran (48.8%, a difference of 0.050%), Tsimshian (48.7%, a difference of 0.080%), Immigrants from Vietnam (48.8%, a difference of 0.10%), and British (48.7%, a difference of 0.10%).

Demographics	Rating \| Rank	Married-couple Households
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%
Eastern Europeans	99.3 /100 \| #51	Exceptional 48.6%

Demographics Similar to Immigrants from South America by Married-couple Households

In terms of married-couple households, the demographic groups most similar to Immigrants from South America are Chickasaw (45.9%, a difference of 0.030%), Cambodian (45.9%, a difference of 0.050%), Mexican American Indian (45.9%, a difference of 0.060%), Taiwanese (45.9%, a difference of 0.070%), and Immigrants from Northern Africa (46.0%, a difference of 0.13%).

Demographics	Rating \| Rank	Married-couple Households
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%
Immigrants \| South America	22.2 /100 \| #196	Fair 45.9%
Cambodians	21.3 /100 \| #197	Fair 45.9%
Ottawa	19.4 /100 \| #198	Poor 45.8%
Carpatho Rusyns	15.7 /100 \| #199	Poor 45.7%
Potawatomi	15.6 /100 \| #200	Poor 45.7%
Immigrants \| Serbia	15.2 /100 \| #201	Poor 45.7%
Immigrants \| Central America	14.2 /100 \| #202	Poor 45.7%
Alaska Natives	13.0 /100 \| #203	Poor 45.6%