Immigrants from Iran vs Sri Lankan Average Family Size

The statistical analysis conducted on geographies consisting of 279,830,460 people shows a mild negative correlation between the proportion of Immigrants from Iran and average family size in the United States with a correlation coefficient (R) of -0.303 and weighted average of 3.20. Similarly, the statistical analysis conducted on geographies consisting of 440,097,378 people shows a poor positive correlation between the proportion of Sri Lankans and average family size in the United States with a correlation coefficient (R) of 0.185 and weighted average of 3.35, a difference of 4.8%.

Average Family Size Correlation Summary

Measurement	Immigrants from Iran	Sri Lankan
Minimum	2.02	2.62
Maximum	3.87	4.54
Range	1.85	1.92
Mean	3.16	3.55
Median	3.16	3.51
Interquartile 25% (IQ1)	3.04	3.29
Interquartile 75% (IQ3)	3.31	3.80
Interquartile Range (IQR)	0.26	0.51
Standard Deviation (Sample)	0.33	0.38
Standard Deviation (Population)	0.33	0.38

Similar Demographics by Average Family Size

Demographics Similar to Immigrants from Iran by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Iran are Creek (3.20, a difference of 0.0%), Zimbabwean (3.20, a difference of 0.020%), Mongolian (3.20, a difference of 0.020%), Somali (3.20, a difference of 0.040%), and Chippewa (3.20, a difference of 0.050%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Poland	16.6 /100 \| #204	Poor 3.20
Paraguayans	16.3 /100 \| #205	Poor 3.20
Immigrants \| Cabo Verde	16.0 /100 \| #206	Poor 3.20
Filipinos	13.6 /100 \| #207	Poor 3.20
Chippewa	13.3 /100 \| #208	Poor 3.20
Sudanese	13.3 /100 \| #209	Poor 3.20
Zimbabweans	12.6 /100 \| #210	Poor 3.20
Immigrants \| Iran	12.1 /100 \| #211	Poor 3.20
Creek	12.1 /100 \| #212	Poor 3.20
Mongolians	11.5 /100 \| #213	Poor 3.20
Somalis	11.2 /100 \| #214	Poor 3.20
Delaware	11.1 /100 \| #215	Poor 3.20
Bermudans	11.0 /100 \| #216	Poor 3.20
Immigrants \| Somalia	10.3 /100 \| #217	Poor 3.20
French American Indians	9.8 /100 \| #218	Tragic 3.20

Demographics Similar to Sri Lankans by Average Family Size

In terms of average family size, the demographic groups most similar to Sri Lankans are Honduran (3.35, a difference of 0.010%), Immigrants from Dominican Republic (3.35, a difference of 0.060%), Japanese (3.35, a difference of 0.10%), Immigrants from Honduras (3.36, a difference of 0.12%), and Immigrants from Armenia (3.35, a difference of 0.12%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Bangladesh	100.0 /100 \| #50	Exceptional 3.36
Nicaraguans	100.0 /100 \| #51	Exceptional 3.36
Fijians	100.0 /100 \| #52	Exceptional 3.36
Koreans	100.0 /100 \| #53	Exceptional 3.36
Immigrants \| South Eastern Asia	100.0 /100 \| #54	Exceptional 3.36
Immigrants \| Honduras	100.0 /100 \| #55	Exceptional 3.36
Immigrants \| Dominican Republic	100.0 /100 \| #56	Exceptional 3.35
Sri Lankans	100.0 /100 \| #57	Exceptional 3.35
Hondurans	100.0 /100 \| #58	Exceptional 3.35
Japanese	100.0 /100 \| #59	Exceptional 3.35
Immigrants \| Armenia	100.0 /100 \| #60	Exceptional 3.35
Central American Indians	100.0 /100 \| #61	Exceptional 3.35
Immigrants \| Grenada	100.0 /100 \| #62	Exceptional 3.34
Chinese	100.0 /100 \| #63	Exceptional 3.34
Dominicans	99.9 /100 \| #64	Exceptional 3.34