The CPI in January 2021 was 103.38(2016=100) which increased 0.29% from the preceding month, and fell 0.48% compared with the same month of 2020.

Introduce percent change compared with the preceding month of 7 categories as follow:

1.Food group increased 0.36%.

2.Clothing group decreased 3.06％.

3.Housing group increased 0.02%.

4.Transportation & Communication group incerased 1.90%.

5.Health group increased 0.19%.

6.Education & Entertainment group decreased 0.14%.

7.Miscellaneous group increased 0.43%.

The CCI was 117.02(2016=100) which increased 2.32% from the preceding month, and rose 7.15% compared with the same month of 2020.