Abstract
Purpose: The research objective was to analyze the economic structure of Lampung Province and Banten Province using the IRIO 2018 Table, as well as analysis of the linkage power to the upstream sector (backward linkage) and the driving force of the downstream sector (forward linkage).
Research Methodology: This paper builds updating use Euro method IRIO Table 2018 with an approach based on producer prices in 2018 sourced from the Lampung Province Input-Output Table in 2010 and the Banten Province Input-Output Table by classifying 34 business sectors.
Result: By updating using the IRIO 2018 Table, Lampung Province and Banten Province can find out the economic structure in Lampung Province and Banten Province with the power of dispersion as the backward linkage coefficient, the degree of sensitivity as the forward linkage coefficient.
Limitations: This paper was built based on the Lampung Province Input-Output Table in 2010, where there were 53 Sector and Input-Output Tables for Banten Province 2010 where there were 58 business sector sectors than for aggregation into 34 categories of business sectors then building a reconciliation of the IRIO 2018 Table based on Producer Prices 2018.
Contribution: The findings of this study have implications in the form of useful contributions for the Lampung provincial and Banten Provincial government in taking and implementing future development policy directions.
Authenticity / Value: This paper is updating using the Euro method with 2 areas 34 business sectors that have been aggregated, the data source uses the Hybrid method and the IRIO Table Model uses the Riefler and Tibout table models so that the IRIO 2018 Table based on 2018 Producer Prices is formed.

Key words: IRIO, Backward Linkage, Forward Linkage. Paper type Technical paper and Policy-Oriented