Sri Lankan vs Immigrants from South America Average Family Size

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. Similarly, the statistical analysis conducted on geographies consisting of 486,031,470 people shows a poor negative correlation between the proportion of Immigrants from South America and average family size in the United States with a correlation coefficient (R) of -0.193 and weighted average of 3.27, a difference of 2.5%.

Average Family Size Correlation Summary

Measurement	Sri Lankan	Immigrants from South America
Minimum	2.62	2.18
Maximum	4.54	4.02
Range	1.92	1.84
Mean	3.55	3.25
Median	3.51	3.28
Interquartile 25% (IQ1)	3.29	3.18
Interquartile 75% (IQ3)	3.80	3.37
Interquartile Range (IQR)	0.51	0.19
Standard Deviation (Sample)	0.38	0.28
Standard Deviation (Population)	0.38	0.27

Similar Demographics by Average Family Size

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

Demographics Similar to Immigrants from South America by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from South America are Immigrants from Liberia (3.27, a difference of 0.0%), South American (3.27, a difference of 0.010%), Kiowa (3.27, a difference of 0.020%), Immigrants from Panama (3.27, a difference of 0.060%), and Black/African American (3.27, a difference of 0.070%).

Demographics	Rating \| Rank	Average Family Size
Puerto Ricans	96.7 /100 \| #109	Exceptional 3.28
Bahamians	96.6 /100 \| #110	Exceptional 3.28
Indonesians	96.2 /100 \| #111	Exceptional 3.28
Blacks/African Americans	95.7 /100 \| #112	Exceptional 3.27
Immigrants \| Panama	95.6 /100 \| #113	Exceptional 3.27
South Americans	95.1 /100 \| #114	Exceptional 3.27
Immigrants \| Liberia	95.0 /100 \| #115	Exceptional 3.27
Immigrants \| South America	95.0 /100 \| #116	Exceptional 3.27
Kiowa	94.8 /100 \| #117	Exceptional 3.27
Immigrants \| Asia	94.0 /100 \| #118	Exceptional 3.27
Immigrants \| Indonesia	93.7 /100 \| #119	Exceptional 3.27
Immigrants \| Bahamas	93.6 /100 \| #120	Exceptional 3.27
Immigrants \| Thailand	93.3 /100 \| #121	Exceptional 3.27
Immigrants \| Colombia	92.8 /100 \| #122	Exceptional 3.27
Alaskan Athabascans	92.4 /100 \| #123	Exceptional 3.27