Random shenanigan to commemorate Morning Musume's 1

^{st} 4 consecutive weekly number 1 single.

I used a giant excel spreadsheet for all the computations, I got all my dates and sales figures from wikipedia:

The average 1

^{st} week sales of MM: 116,238

peak 1

^{st} week sales at 600,860 with Koi No Dance Site

weakest 1

^{st} week sales at 28,082 with Mikan

The average 1

^{st} week ranking: 2

Hitting #1 in the 1

^{st} week 15 times.

The lowest they've ever gone in the 1

^{st }week sales ranking is 6, which happened thrice.

Additional, non-weekly ranking statistics:

55 singles = 61 A-side , 65 coupling tracks, 62 instrumental tracks.

The average number of singles Morning Musume Members participate in: 10

Michishige Sayumi set a record with 37 singles she has been a member.

Oda Sakura and Fukuda Asuka have both in 4 singles. In Sakura's case, all singles she has taken part in hit #1 in the 1

^{st} week.

The average age people debut as a member of Morning Musume: 14

Nakazawa Yuko still holds the record for the oldest person to debut in the group: 24 years old

Only Yuko, Takahashi Ai and Sayu have remained in the group through that age.

Kudo Haruka is the youngest person to have ever joined the group: 11 years old.

The average length of tenure of a member: 6.83 years

Sayumi serving the group for the longest time: 11.04 years

Sakura has served the shortest: 1.39 years

but she will quickly overtake Fukuda Asuka who was with the group for 1.61 years

The average length of tenure of the current members is at 3.42 years so far.

The average age members graduate as a member of Morning Musume: 20 years old

Yuko graduated at 27 years old

Asuka graduated at 14 years old