Residents of South Nias Regency spend Rp215.25 per capita per week on tuna.

In 2023, per capita weekly expenditure on preserved skipjack tuna/tuna/cakalang in South Nias Regency was Rp215.25. This represents a decrease compared to the previous year's expenditure of Rp670.78 per capita per week.

Per capita expenditure is the cost incurred for the consumption of all household members over a month, divided by the number of household members. This expenditure can be categorized into two parts: food and non-food needs.

Expenditure on food consumption is calculated weekly, while non-food expenditure is calculated monthly and for the past 12 months. Both food and non-food consumption are then converted into average monthly expenditure. The average per capita consumption/expenditure figures presented in BPS publications are obtained by dividing the total consumption of all households (both consuming food and not) by the total population.

According to BPS (Statistics Indonesia), this decrease in expenditure is attributed to the monthly (month-to-month) inflation rate in this region, which reached 3.65%. Meanwhile, economic growth in 2023 was recorded at 3.65%.

The five largest components of household expenditure on fish in South Nias Regency, in descending order, are: skipjack tuna (Rp4,147.95 per capita per week), preserved anchovies (Rp2,104.89 per capita per week), other preserved fish (Rp1,466.94 per capita per week), cakalang dencis (Rp1,363.98 per capita per week), and the lowest expenditure was on patin (Rp2.29 per capita per week).

Based on region, the highest per capita expenditure on preserved skipjack tuna/tuna/cakalang was in Gianyar Regency, and the lowest was in South Central Timor Regency. South Nias Regency ranked 176th in terms of expenditure on preserved skipjack tuna/tuna/cakalang. The national average per capita weekly expenditure on preserved skipjack tuna/tuna/cakalang was Rp243.5.

The following are the 10 regencies/cities with the highest per capita expenditure on preserved skipjack tuna/tuna/cakalang:

* Gianyar Regency: Rp3,709.72
* Bangli Regency: Rp3,050.82
* Bondowoso Regency: Rp2,804.25
* Kotamobagu City: Rp2,783.41
* Klungkung Regency: Rp2,525.67
* Karangasem Regency: Rp2,509.35
* Tabanan Regency: Rp2,310.54
* Badung Regency: Rp2,151.29
* Denpasar City: Rp2,076.53
* Lumajang Regency: Rp2,018.33