0
votes
0answers
22 views

What is the prevalence of being a Kohen? [duplicate]

What proportion of Jews are Leviim? What proportion are Kohanim? It would make sense that 1/13 Jews are Leviim, but that may not be true.
0
votes
1answer
155 views

Pidyon HaBen rate

About how many pidyon haben ceremonies are required to be performed per 1000 Jewish births in the past few decades? The requirements for a pidyon haben are: Both parents are Israel, not Kohen or ...
12
votes
3answers
386 views

What happened to the bechorim (first-borns)?

In the begining of sefer bamidbar, the males between 20 and 60 are counted and it says that there are over 600,000 of them. Theoretically each, or most, of these people should have had a first-born ...
8
votes
1answer
188 views

Halachic significance of the plurality of Jews living in Israel

I once heard that if Israel has the largest Jewish population, it has a significant effect on certain Halachot. What are the criteria for this, and what halachot are affected? (Shmita is the one most ...