## How to create number sequence based on criteria in Excel?

In Excel, it may be a common task for you to make a number sequence for a list of cells. But, the task will get a little complicated if you need to create number sequence based on criteria. in this article, I will talk about some useful formulas for creating a number sequence based on criteria in Excel.

Create number sequence based on duplicate entries with COUNTIF function

Create number sequence based on criteria with COUNTIF and IF functions

#### Create number sequence based on duplicate entries with COUNTIF function

For example, I want to insert serial numbers based on the country column. That means, if there are multiple entries of the same country, I will order them accordingly as below screenshot shown:

To create serial numbers based on the duplicate values in another column, the COUNTIF function can do you a favor:

Step1: Enter the below formula into a blank cell where you want to insert the sequence number:

=COUNTIF(B\$2:B2,B2)

Step2: Then, drag the fill handle down to fill this formula to other cells, see screenshot:

#### Create number sequence based on criteria with COUNTIF and IF functions

If you want to create a number sequence based on a specific value in another column, for example, to create a list of serial numbers based on the specific text “Total” in column A: If a Total is displayed, skip that row and move to the next row continuing numbering.

To create this type of sequence, please use the following formula:

Step1: Enter the number 1 into the first cell where you want to insert the number sequence, see screenshot:

Step2: In the second cell, please enter either of the following formulas according to your Excel version:

=IF(@\$A\$2:\$A\$14="Total","",COUNTIF(\$C\$2:C2,">0")+1)       (Excel 365)
=IF(\$A\$2:\$A\$14="Total","",COUNTIF(\$C\$2:C2,">0")+1)          (Other Excel versions)

Note: In the above formulas, \$A\$2:\$A\$14="Total" is the range that includes the criteria you want to insert number sequence based on, C2 is the cell with the number 1 you entered in step1, please change them to your actual cell references.

Step3: Then, drag the fill handle to cell C14 for filling the range of cells with the serial numbers. See screenshot:

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