Statement:
In Sri Lanka, people spend more of their household budget on food and non-alcoholic beverages than in Tonga

In the Where households spend more on food rating Sri Lanka holds position #22 2021 out of 138 and Tonga is #33 out of 138 2021.
Position of Sri Lanka is worse than position of Tonga.
Both countries holds average positions in the "Where households spend more on food" rating. So % of household budget for food and non-alcoholic beverages is an average for both Sri Lanka and Tonga, compared to most countries of the World.

Referencies:

  1. Where households spend more on food 2021 by International Labor Organization
    The countries in the rating sorted by '% of household budget for food and non-alcoholic beverages' in descending order.
    Sri Lanka '% of household budget for food and non-alcoholic beverages' value is 44.0
    Tonga '% of household budget for food and non-alcoholic beverages' value is 39.8