Human Security in Pakistan The fifth indicator is the percentage of units with electricity. Almost 91% of households have access to electricity. The sixth indicator is the percentage of units with tap water. This indicator has shown a declining trend from 2001-02 to 2018-19, with a slight increase in the year 2020-21. This is shown in the chart 7.4. The last indicator is the percentage of units with flush toilets. This indicator has also shown a rising trend over time. Chart 7.4: Percentage of units with access to tap water Table 7.4: Shelter 2001-02 2005-06 2010-11 1. Percentage of housing units owned Index 0.727 0.697 0.690 2. Percentage of units with pucca roof Index 0.355 0.479 0.347 3. Percentage of units with pucca walls Index 0.307 0.458 0.550 4. Percentage of housing units with only one room Index 0.686 0.674 0.651 5. Percentage of units with electricity Index 0.570 0.684 0.815 6. Percentage of units with access to tap water Index 0.687 0.537 0.424 7. Percentage of units with flush toilet Index 0.250 0.343 0.490 OVERALL INDEX 0.475 0.540 0.548 2015-16 0.650 0.465 0.686 0.509 0.845 0.296 0.610 0.556 2017-18 0.648 0.535 0.737 0.442 0.821 0.254 0.670 0.554 2018-19 0.646 0.573 0.762 0.406 0.817 0.127 0.701 0.506 2020-21 0.599 0.559 0.674 0.637 0.805 0.219 0.701 0.564 56