Immigrants from Japan vs Irish Average Family Size

The statistical analysis conducted on geographies consisting of 339,992,819 people shows a moderate negative correlation between the proportion of Immigrants from Japan and average family size in the United States with a correlation coefficient (R) of -0.409 and weighted average of 3.18. Similarly, the statistical analysis conducted on geographies consisting of 580,016,096 people shows a poor positive correlation between the proportion of Irish and average family size in the United States with a correlation coefficient (R) of 0.151 and weighted average of 3.10, a difference of 2.5%.

Average Family Size Correlation Summary

Measurement	Immigrants from Japan	Irish
Minimum	1.75	1.75
Maximum	3.42	6.00
Range	1.67	4.25
Mean	2.92	3.22
Median	3.03	3.08
Interquartile 25% (IQ1)	2.74	2.99
Interquartile 75% (IQ3)	3.17	3.43
Interquartile Range (IQR)	0.43	0.44
Standard Deviation (Sample)	0.37	0.59
Standard Deviation (Population)	0.37	0.59

Similar Demographics by Average Family Size

Demographics Similar to Immigrants from Japan by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Japan are Osage (3.18, a difference of 0.020%), Hungarian (3.18, a difference of 0.020%), Immigrants from Moldova (3.18, a difference of 0.020%), Immigrants from Southern Europe (3.18, a difference of 0.030%), and Houma (3.18, a difference of 0.050%).

Demographics	Rating \| Rank	Average Family Size
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
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

Demographics Similar to Irish by Average Family Size

In terms of average family size, the demographic groups most similar to Irish are Swedish (3.10, a difference of 0.030%), Luxembourger (3.10, a difference of 0.060%), French (3.10, a difference of 0.060%), Croatian (3.10, a difference of 0.070%), and Estonian (3.10, a difference of 0.090%).

Demographics	Rating \| Rank	Average Family Size
Belgians	0.0 /100 \| #329	Tragic 3.11
Latvians	0.0 /100 \| #330	Tragic 3.11
Scotch-Irish	0.0 /100 \| #331	Tragic 3.11
Scottish	0.0 /100 \| #332	Tragic 3.11
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