The table below uses data for the year $2020,$ adjusted so the country data are comparable to each other. All population values are in thousands.

Country Adult

population Labour

force Employed Unemployed Unemployment

rate $(\%)$ Labour$-$force participation rate $(\%)$

Japan $75,469$

$67,1301,730$

France

$30,399$

$2,874$

$72\mathrm{.}2$

Germany $53,48443,401$

$5\mathrm{.}1$

Instructions: Round your answers to one decimal place.

a$.$ Fill in the blanks in the table above.

b$.$ In part a$,$ you should have found that the unemployment rates of the three countries differ significantly from one another. Select the possible reasons to explain the countries' different unemployment rates.

$($Click to select$)$