Jamaican vs Immigrants from Romania Average Family Size

The statistical analysis conducted on geographies consisting of 367,646,796 people shows a slight negative correlation between the proportion of Jamaicans and average family size in the United States with a correlation coefficient (R) of -0.065 and weighted average of 3.31. Similarly, the statistical analysis conducted on geographies consisting of 256,963,542 people shows a mild negative correlation between the proportion of Immigrants from Romania and average family size in the United States with a correlation coefficient (R) of -0.374 and weighted average of 3.18, a difference of 4.2%.

Average Family Size Correlation Summary

Measurement	Jamaican	Immigrants from Romania
Minimum	2.36	1.97
Maximum	4.08	4.06
Range	1.72	2.09
Mean	3.38	3.00
Median	3.39	3.07
Interquartile 25% (IQ1)	3.24	2.88
Interquartile 75% (IQ3)	3.54	3.19
Interquartile Range (IQR)	0.30	0.31
Standard Deviation (Sample)	0.28	0.32
Standard Deviation (Population)	0.28	0.32

Similar Demographics by Average Family Size

Demographics Similar to Jamaicans by Average Family Size

In terms of average family size, the demographic groups most similar to Jamaicans are Afghan (3.31, a difference of 0.020%), Immigrants from Peru (3.31, a difference of 0.050%), Immigrants from Nigeria (3.32, a difference of 0.060%), Immigrants from Afghanistan (3.32, a difference of 0.10%), and Ecuadorian (3.32, a difference of 0.11%).

Demographics	Rating \| Rank	Average Family Size
British West Indians	99.8 /100 \| #79	Exceptional 3.32
Lumbee	99.8 /100 \| #80	Exceptional 3.32
Immigrants \| Dominica	99.8 /100 \| #81	Exceptional 3.32
Ecuadorians	99.8 /100 \| #82	Exceptional 3.32
Immigrants \| Afghanistan	99.8 /100 \| #83	Exceptional 3.32
Immigrants \| Nigeria	99.7 /100 \| #84	Exceptional 3.32
Afghans	99.7 /100 \| #85	Exceptional 3.31
Jamaicans	99.7 /100 \| #86	Exceptional 3.31
Immigrants \| Peru	99.7 /100 \| #87	Exceptional 3.31
Immigrants \| Bolivia	99.6 /100 \| #88	Exceptional 3.31
Malaysians	99.6 /100 \| #89	Exceptional 3.31
Menominee	99.4 /100 \| #90	Exceptional 3.30
Immigrants \| Pakistan	99.2 /100 \| #91	Exceptional 3.30
Immigrants \| Cameroon	99.2 /100 \| #92	Exceptional 3.30
Peruvians	99.2 /100 \| #93	Exceptional 3.30

Demographics Similar to Immigrants from Romania by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Romania are Romanian (3.18, a difference of 0.0%), Immigrants from Portugal (3.18, a difference of 0.050%), Houma (3.18, a difference of 0.050%), Immigrants from Turkey (3.18, a difference of 0.060%), and Osage (3.18, a difference of 0.070%).

Demographics	Rating \| Rank	Average Family Size
Icelanders	5.2 /100 \| #230	Tragic 3.19
Basques	5.2 /100 \| #231	Tragic 3.19
Cherokee	4.7 /100 \| #232	Tragic 3.18
Brazilians	4.5 /100 \| #233	Tragic 3.18
Iranians	4.5 /100 \| #234	Tragic 3.18
Immigrants \| Turkey	4.2 /100 \| #235	Tragic 3.18
Immigrants \| Portugal	4.2 /100 \| #236	Tragic 3.18
Immigrants \| Romania	3.7 /100 \| #237	Tragic 3.18
Romanians	3.7 /100 \| #238	Tragic 3.18
Houma	3.4 /100 \| #239	Tragic 3.18
Osage	3.2 /100 \| #240	Tragic 3.18
Immigrants \| Japan	3.0 /100 \| #241	Tragic 3.18
Hungarians	3.0 /100 \| #242	Tragic 3.18
Immigrants \| Moldova	2.9 /100 \| #243	Tragic 3.18
Immigrants \| Southern Europe	2.9 /100 \| #244	Tragic 3.18