Immigrants from Bulgaria vs South African Married-couple Households

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%. Similarly, the statistical analysis conducted on geographies consisting of 182,537,045 people shows a poor positive correlation between the proportion of South Africans and percentage of married-couple family households in the United States with a correlation coefficient (R) of 0.126 and weighted average of 47.3%, a difference of 0.61%.

Married-couple Households Correlation Summary

Measurement	Immigrants from Bulgaria	South African
Minimum	14.5%	28.3%
Maximum	100.0%	96.0%
Range	85.5%	67.7%
Mean	54.3%	56.6%
Median	54.5%	52.6%
Interquartile 25% (IQ1)	48.2%	45.4%
Interquartile 75% (IQ3)	58.2%	71.4%
Interquartile Range (IQR)	10.0%	26.0%
Standard Deviation (Sample)	15.6%	16.0%
Standard Deviation (Population)	15.2%	15.7%

Demographics Similar to Immigrants from Bulgaria and South Africans 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%), Immigrants from Russia (47.0%, a difference of 0.050%), Paraguayan (47.0%, a difference of 0.10%), Icelander (47.0%, a difference of 0.15%), and Immigrants from Western Europe (47.1%, a difference of 0.27%). Similarly, the demographic groups most similar to South Africans are Immigrants from Ukraine (47.3%, a difference of 0.020%), Immigrants from Greece (47.2%, a difference of 0.040%), Immigrants from Argentina (47.2%, a difference of 0.040%), New Zealander (47.2%, a difference of 0.090%), and Immigrants from Malaysia (47.2%, a difference of 0.090%).

Demographics	Rating \| Rank	Married-couple Households
Immigrants \| Ukraine	86.7 /100 \| #132	Excellent 47.3%
South Africans	86.4 /100 \| #133	Excellent 47.3%
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%
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%