Tiny house characteristics in Indonesia based on millennial’s user preference

Figures & data

Figure 1. Flowchart of tiny house characteristics in Indonesia based on millennial’s user preference.

Figure 2. Population density of selected provinces (a) in 2021, and (b) in period from 2013 to 2021.

Source: Author’s calculation with (Statistics Indonesia, 2013b)

Figure 3. Normalized population density of selected provinces in period from 2013 to 2021.

Source: Author’s calculation with (Statistics Indonesia, 2013b)

Figure 4. Family population of selected provinces in period from 2013 to 2016.

Source: Author’s calculation with (Statistics Indonesia, 2013a)

Figure 5. Averaged proportion of housing status of selected province.

Source: Author’s calculation with (Statistics Indonesia, 2015a)

Figure 6. Dependency ratio of selected province in projection period from 2015 to 2035.

Source: Author’s calculation with (Statistics Indonesia, 2015b)

Figure 7. (a) Opening page of online surveys delivered in Bahasa Indonesia, (b) Example of housing designs by @duastudio architecture and design studio (duastudio, 2018) for online surveys.

Table 1. URL link of online surveys in June and December 2021.

Period	Jakarta	Bandung	Semarang	Yogyakarta	Surabaya
Jun 2021	●	●	●	●	●
Dec 2021	●	○	●	●	○

Table 2. Chi-square critical value for $0.900>\alpha >0.010$ for r = 1–10.

	$P(X\le x)$
1 – α	0.100	0.900	0.950	0.975	0.990
r	$x_{\alpha =0.9}^2\left(r\right)$	$x_{\alpha =0.1}^2\left(r\right)$	$x_{\alpha =0.05}^2\left(r\right)$	$x_{\alpha =0.025}^2\left(r\right)$	$x_{\alpha =0.01}^2\left(r\right)$
1	0.016	2.706	3.841	5.024	6.635
2	0.211	1.605	5.991	7.378	9.210
3	0.584	6.251	7.815	9.348	11.34
4	1.064	7.779	9.488	11.14	13.28
5	1.610	9.236	11.07	12.83	15.09
6	2.204	10.64	12.59	14.45	16.81
7	2.833	12.02	14.07	16.01	18.48
8	3.490	13.36	15.51	17.54	20.09
9	4.168	14.68	16.92	19.02	21.67
10	4.865	15.99	18.31	20.48	23.21

Figure 8. Distribution of respondents’ age.

Figure 9. Type of House based on MUP.

Figure 10. Monthly Income of Respondents.

Figure 11. (a) Distribution and (b) Trendline of property prices based on millennials income.

Figure 12. Comparison of property mean price and preferred prices based on millennials income.

Figure 13. (a) Distribution and (b) Trendline of property sizes based on millennials income.

Figure 14. Realistic property size based on millennials income.

Figure 15. (a) Distribution and (b) Trendline of expected property sizes based on millennials user preferences.

Figure 16. Expected property size based on millennials user preferences.

Table 3. Results of Chi-square analysis of property price based on millennials user preference.

X^2	Jakarta	Semarang	Jogja	Table
k = 1	5.067	2.8	17	12.6
k = 2	10.950	3.333	11.633	12.6
k = 3	38.307	15.428	4.114	12.6
${\mathbf{H}}_0^{\mathbf{k}}$
k = 1	TRUE	TRUE	FALSE
k = 2	TRUE	TRUE	TRUE
k = 3	FALSE	FALSE	TRUE

Figure 17. Property price based on millennials user preference for different variance of null hypotheses.

Figure 18. Property size based on millennials user preference for different variance of null hypotheses.

Table 4. Results of Chi-square analysis of property size based on millennials user preference.

X^2	Jakarta	Semarang	Jogja	Table
k = 1	4.828	5.814	3.528	12.6
k = 2	7.495	6.674	10.095	12.6
k = 3	24.233	52.491	13.491	12.6
${\mathbf{H}}_0^{\mathbf{k}}$
k = 1	TRUE	TRUE	TRUE
k = 2	TRUE	TRUE	TRUE
k = 3	FALSE	FALSE	FALSE

Figure 19. Conventional house floor plan.

Source: Author’s design based on average conventional house floor plan.

Figure 20. Tiny house (TH) floor plan based on MUP.

Source: Author’s design based on average conventional house floor plan.

Statistics Indonesia. (2013b). Badan Pusat Statistik 2013-2021. National Indonesian Socioeconomic Survey (SUSENAS), Population Module. https://www.bps.go.id/index.php/subjek/81#subjekViewTab5

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Statistics Indonesia. (2013a). Badan Pusat Statistik 2013-2016. National Indonesian Socioeconomic Survey (SUSENAS), Population Module. https://www.bps.go.id/index.php/subjek/81#subjekViewTab5

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Statistics Indonesia. (2015a). Badan Pusat Statistik 2015-2021. National Indonesian Socioeconomic Survey (SUSENAS), Core and Housing Module. https://www.bps.go.id/index.php/subjek/81#subjekViewTab5

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Statistics Indonesia. (2015b). Badan Pusat Statistik 2015-2035. National Indonesian Socioeconomic Survey (SUSENAS), Core and Housing Module. https://www.bps.go.id/index.php/subjek/81#subjekViewTab5

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