Immigrants from Saudi Arabia vs Sri Lankan Average Family Size

The statistical analysis conducted on geographies consisting of 164,204,402 people shows a substantial negative correlation between the proportion of Immigrants from Saudi Arabia and average family size in the United States with a correlation coefficient (R) of -0.583 and weighted average of 3.17. 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 5.8%.

Average Family Size Correlation Summary

Measurement	Immigrants from Saudi Arabia	Sri Lankan
Minimum	1.94	2.62
Maximum	3.73	4.54
Range	1.79	1.92
Mean	3.00	3.55
Median	3.07	3.51
Interquartile 25% (IQ1)	2.83	3.29
Interquartile 75% (IQ3)	3.19	3.80
Interquartile Range (IQR)	0.36	0.51
Standard Deviation (Sample)	0.37	0.38
Standard Deviation (Population)	0.37	0.38

Similar Demographics by Average Family Size

Demographics Similar to Immigrants from Saudi Arabia by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Saudi Arabia are South African (3.17, a difference of 0.0%), Immigrants from Hungary (3.17, a difference of 0.0%), Cape Verdean (3.17, a difference of 0.020%), Immigrants from Spain (3.17, a difference of 0.030%), and Puget Sound Salish (3.17, a difference of 0.040%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Brazil	2.7 /100 \| #245	Tragic 3.18
Danes	2.5 /100 \| #246	Tragic 3.17
Cajuns	2.4 /100 \| #247	Tragic 3.17
Immigrants \| Belarus	2.3 /100 \| #248	Tragic 3.17
Immigrants \| Eastern Europe	2.1 /100 \| #249	Tragic 3.17
Puget Sound Salish	1.9 /100 \| #250	Tragic 3.17
Immigrants \| Spain	1.8 /100 \| #251	Tragic 3.17
Immigrants \| Saudi Arabia	1.7 /100 \| #252	Tragic 3.17
South Africans	1.7 /100 \| #253	Tragic 3.17
Immigrants \| Hungary	1.7 /100 \| #254	Tragic 3.17
Cape Verdeans	1.6 /100 \| #255	Tragic 3.17
Immigrants \| Kazakhstan	1.5 /100 \| #256	Tragic 3.17
Albanians	1.5 /100 \| #257	Tragic 3.17
Turks	1.3 /100 \| #258	Tragic 3.16
Potawatomi	1.3 /100 \| #259	Tragic 3.16

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