Immigrants from Romania vs Polish Average Family Size

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. Similarly, the statistical analysis conducted on geographies consisting of 559,976,913 people shows a weak positive correlation between the proportion of Poles and average family size in the United States with a correlation coefficient (R) of 0.281 and weighted average of 3.09, a difference of 2.8%.

Average Family Size Correlation Summary

Measurement	Immigrants from Romania	Polish
Minimum	1.97	1.32
Maximum	4.06	10.58
Range	2.09	9.26
Mean	3.00	3.15
Median	3.07	3.03
Interquartile 25% (IQ1)	2.88	2.87
Interquartile 75% (IQ3)	3.19	3.10
Interquartile Range (IQR)	0.31	0.23
Standard Deviation (Sample)	0.32	1.13
Standard Deviation (Population)	0.32	1.13

Similar Demographics by Average Family Size

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

Demographics Similar to Poles by Average Family Size

In terms of average family size, the demographic groups most similar to Poles are Finnish (3.09, a difference of 0.050%), German (3.09, a difference of 0.14%), Croatian (3.10, a difference of 0.19%), French (3.10, a difference of 0.21%), and Swedish (3.10, a difference of 0.23%).

Demographics	Rating \| Rank	Average Family Size
Estonians	0.0 /100 \| #333	Tragic 3.10
Lithuanians	0.0 /100 \| #334	Tragic 3.10
Luxembourgers	0.0 /100 \| #335	Tragic 3.10
Irish	0.0 /100 \| #336	Tragic 3.10
Swedes	0.0 /100 \| #337	Tragic 3.10
French	0.0 /100 \| #338	Tragic 3.10
Croatians	0.0 /100 \| #339	Tragic 3.10
Finns	0.0 /100 \| #340	Tragic 3.09
Poles	0.0 /100 \| #341	Tragic 3.09
Germans	0.0 /100 \| #342	Tragic 3.09
Norwegians	0.0 /100 \| #343	Tragic 3.08
French Canadians	0.0 /100 \| #344	Tragic 3.07
Slovenes	0.0 /100 \| #345	Tragic 3.07
Slovaks	0.0 /100 \| #346	Tragic 3.06
Carpatho Rusyns	0.0 /100 \| #347	Tragic 3.06