Indonesia has been ranked as the world's fastest-growing mobile market in Adjust's Global App Trends 2019 report.
The research covers a breadth of data from across the app mobile space, measuring market and user trends across a variety of metrics including app retention, session, time spent and fraud data.
The report utilises a 'Growth Index' to help understand app and market growth. This takes the number of installs per month, divided by the monthly active users for each vertical and country in its dataset. From this, it gives out a 'Growth index' score. the more users that install in relation to the MAU, the higher the score.
Indonesia was rated as the fasted growing market in the world with a 17.62 score. That was followed by Brazil (9.39), South Korea (9.11) and Malaysia (8.23).
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Elsewhere the report looks at the top performing app categories in key mobile markets China, Germany, Japan and the US.
Games perform strongly across the board, with midcore games the most popular app type in China and Japan, while casual games were the most popular in Germany and the US.
The full Adjust Global App Trends 2019 report is available to download here.