Kindle Unlimited saw the usual annual fluctuation in funding over the past two months. Funding fell in February to $33.5 million from $36 million in January,  but then rose again to $35.4 million in March.

At the same time, the per-page rate actually rose in February and March from January’s $0.004216.

Here are the per-page rates for the past three years.

• March 2021: $0.004438
• February 2021: $0.004486
• January 2021: $0.004216
• December 2020: $0.004514
• November 2020: $0.004644
• October 2020: $0.004538
• September 2020: $0.004594
• August 2020: $0.004322
• July 2020: $0.004294
• June 2020: $0.004547
• May 2020: $0.004203
• April 2020: $0.004226
• March 2020: $0.0046
• February 2020: $0.004547
• January 2020: $0.004411
• December 2019: $0.004664
• November 2019: $0.004925
• October 2019: $0.0046763
• September 2019: $0.0046799
• August 2019:  $0.004387
• July 2019 –  $0.004394
• June 2019 – $0.004642
• May 2019 – $0.0046598
• April 2019 – $0.0046602
• March 2019 – $0.0045124
• February 2019 – $0.0047801
• January 2019 – $0.0044227
• December 2018 – $0.0048778
• November 2018 – $0.0052056
• October 2018 – $0.0048414
• September 2008 – $0.004885
• August 2018 – $0.0044914
• July 2018 – $0.0044936

P.S. Here’s a list of the monthly funding pools. It does not include the bonuses paid out each month.

• July 2014: $2.5 million (Kindle Unlimited launches early in the month)
• August 2014: $4.7 million
• September 2014: $5 million
• October 2014: $5.5 million
• November 2014: $6.5 million
• December 2014: $7.25 million
• January 2015 – $8.5 million
• February 2015: $8 million
• March 2015: $9.3 million
• April 2015: $9.8 million
• May 2015: $10.8 million
• June 2015: $11.3 million
• July 2015: $11.5 million
• August 2015: $11.8 million
• September 2015: $12 million
• October 2015: $12.4 million
• November 2015: $12.7 million
• December 2015: $13.5 million
• January 2016: $15 million
• February 2016: $14 million
• March 2016: $14.9 million
• April 2016: $14.9 million
• May 2016: $15.3 million
• June 2016: $15.4 million
• July 2016: $15.5 million
• August 2016: $15.8 million
• September 2016: $15.9 million
• October 2016: $16.2 million
• November 2016: $16.3 million
• December 2016: $16.8 million
• January 2017: : $17.8 million
• February 2017: : $16.8 million
• March 2017: $17.7 million
• April 2017: $17.8 million
• May 2017 :$17.9 million
• June 2017: $18 million
• July 2017: $19 million
• August 2017: $19.4 million
• September 2017: $19.5 million
• October 2017: $19.7 million
• November 2017: $19.8 million
• December 2017: $19.9 million
• January 2018: $20.9 million
• February 2018: $20 million
• March 2018: $21 million
• April 2018: $21.2 million
• May 2018: $22.5 million
• June 2018: $22.6 million
• July 2018: $23.1 million
• August 2018: $23.3 million
• September 2018: $23.4 million
• October 2018: $23.5 million
• November 2018: $23.6 million
• December 2018: $23.7 million
• January 2019: $24.7 million
• February 2019: $23.5 million
• March 2019: $24 million
• April 2019: $24.1 million
• May 2019: $24.6 million
• June 2019: $24.9 million
• July 2019: $25.6 million
• August 2019: $25.8 million
• September 2019: $25.9 million
• October 2019: $26 million
• November 2019: $26.1 million
• December 2019: $26.2 million
• January 2020: $28.2 million
• February 2020: $27.2 million
• March 2020: $29 million
• April 2020: $30.3 million
• May 2020: $32.2 million
• June 2020: $32.3 million
• July 2020: $32.4 million
• August 2020: $32.6 million
• September 2020: $32.7 million
• October 2020: $32.9 million
• November 2020: $33.2 million
• December 2020: $34 million
• January 2021: $36 million
• February 2021: $33.5 million
• March 2021: $35.4 million