Khazanah Research Institute's (KRI) latest study finds that the current classification of the Bottom 40 (B40), Middle 40 (M40), and Top 20 (T20) income groups does not accurately reflect the true economic stratification of Malaysian households.

Instead, the findings revealed that only the Top 30 percent (T30) income earners exhibit middle-class spending patterns, while the Middle 50 percent (M50) - the group between the B20 and the T30 - remains...