If you purchased a monthly plan before September 16, 2015, your account was upgraded automatically. If you're currently on an annual plan, you'll continue to renew annually at that rate. If you select a new monthly plan, your annual plan won't be available to you.
In the U.S. the new iCloud Storage Plans are as follows:
● 50 GB: $0.99
● 200 GB: $2.99
● 1 TB: $9.99
Check the chart below for your country or hit the link below...