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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.
4
votes
0answers
160 views

Statistics regarding how many people convert yearly

What are the statistics for the last 50-100 years as to how many people convert and become Geirim yearly?
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 ...
7
votes
3answers
169 views

Why does the census “of all who are able to go forth to war” include a few women?

The census in Bamidbar 26 is directed thus: Take the sum of all the congregation of the children of Israel, from twenty years old and upward, by their fathers' houses, all that are able to go ...
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 ...
13
votes
4answers
198 views

Unusual number of males among the 70 who went to Egypt

B'reshis chapter 46 lists the seventy descendants of Yaakov who went to Egypt. It actually lists sixty-nine: let's assume Yocheved was the seventieth, as Rashi explains. It also lists (in pasuk 12) ...
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 ...
11
votes
1answer
240 views

2.4 million killed according to Rashi in B'shalach. Why does no one talk about it?

In the begining of Parshat B'shalach, Rashi says that one p'shat for "Vachamushim" means one fifth, because during Makas Choshech, 4 out of 5 were killed out, and it happened during the time it was ...
7
votes
3answers
794 views

what percentage of Reform Jews are halachically Jewish?

Was there ever a study done on the percentage of Reform Jews who would be considered Jewish according to Halacha?
7
votes
3answers
210 views

relative fractions of Kohanim and Levi'im

Does anyone have reliable statistics (and barring that, reasonable anectdotal evidence) of the fraction of Kohanim, Levi'im, and Yisraelim in various Jewish communities today. By "communities" I don't ...
22
votes
5answers
504 views

Why do Jews physically resemble members of their “host” nationalities?

Why do Jews often so closely resemble the members of the nationalities amongst whom they have been living for only a few hundred years? How do features spread through such an exclusive population so ...