# Link second-level geography (regency) code across Indonesian censuses

**URL:** <https://forum.ipums.org/t/link-second-level-geography-regency-code-across-indonesian-censuses/2125>\
**Category:** INTERNATIONAL\
**Created:** [January 26, 2018, 3:13pm UTC](https://forum.ipums.org/t/link-second-level-geography-regency-code-across-indonesian-censuses/2125 "2018-01-26T15:13:00Z")\
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**Author:** ![sharonz](https://avatars.discourse-cdn.com/v4/letter/s/87869e/32.png) [@sharonz](https://forum.ipums.org/u/sharonz)\
**Post date:** [January 26, 2018, 3:13pm UTC](https://forum.ipums.org/t/link-second-level-geography-regency-code-across-indonesian-censuses/2125/1 "2018-01-26T15:13:00Z")

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Since Indonesia has experienced massive regency expansions between 1995 and 2010, I am wondering if there is any better way to link the regency code across census than matching the name, or using [the wikipedia information](https://id.wikipedia.org/wiki/Pemekaran_daerah_di_Indonesia#Sumatera_Utara) of how division happens to manually code it.

I know that IPUMS is still in the process of creating a harmonized variable for second-level geography with consistent boundaries over time. Do you know when this may be available or whom I should contact to get more details on this practice or guidance on how I should do this by myself?

Thanks a lot!

Sharon

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