Statistical Criteria Change History

2025

• Changes According to Smartphone Population Shifts

  • Daily Data: Sep 1

  • Weekly Data: 1st week of Sep

  • Monthly Data: Sep

2022

• Changes as iOS smartphone population grows

  • Daily Data: Jan 1

  • Weekly Data: 1st week of Jan

  • Monthly Data: Jan

• Changes as smartphone population grows

  • Daily Data: Sep 1

  • Weekly Data: 1st week of Sep

  • Monthly Data: Sep

2021

• Changes due to fluctuations in smartphone population by OS

  • Daily Data: Aug 1st

  • Weekly Data: 1st week of Aug

  • Monthly Data: Aug

2020

• Changes as Android smartphone population declines

  • Daily Data: May 1

  • Weekly Data: 5th week of Apr

  • Monthly Data: May

2019

• Changes as smartphone population grows

  • Daily Data: Jul 1

  • Weekly Data: 1st week of Jul

  • Monthly Data: Jul

2018

• Changes as smartphone population grows

  • Daily Data: May 1

  • Weekly Data: 5th week of Apr

  • Monthly Data: May

2017

• Changes as smartphone population grows

  • Daily Data: Feb 27

  • Weekly Data: 1st week of Mar

  • Monthly Data: Mar

2016

• Changes as smartphone population grows

  • Daily Data: Oct 2

  • Weekly Data: 1st week of Oct

  • Monthly Data: Oct