Java's industrial sector contributes 57.99 percent to Indonesia's national GDP. Furthermore, Java's industrial sector is a leading sector, contributing 29.87 percent to its regional GDP (PDRB). However, other regions contribute significantly less; Sumatra and Kalimantan contribute only 23.81 percent and 8.67 percent, respectively.
In contrast, the islands in central and eastern Indonesia, despite their vast land area and natural resources, contribute very little to the national economy. This is partly due to a lack of industrial estates, which serve as crucial drivers of regional economic growth.
The presence of an industrial sector significantly influences a region's economic structure, subsequently impacting output or regional GDP (PDRB). Regions with industrial estates tend to contribute substantially more to both regional and national GDP.
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