| Similarity | Rank | |
|---|---|---|
| increase_population | 0.822 | 98586 |
| population_growth | 0.744 | 14508 |
| population_increase | 0.730 | 69748 |
| grow_demand | 0.679 | 72180 |
| age_population | 0.657 | 38966 |
| urbanization | 0.647 | 17013 |
| increase_demand | 0.643 | 45555 |
| urbanisation | 0.641 | 42568 |
| urban_population | 0.638 | 54633 |
| an_age_population | 0.633 | 70347 |
| urban_growth | 0.627 | 93764 |
| water_demand | 0.607 | 95619 |
| increase_demand_for | 0.599 | 36018 |
| large_population | 0.587 | 61864 |
| demographic_change | 0.587 | 44166 |
| its_population | 0.581 | 26685 |
| water_shortage | 0.581 | 40423 |
| in_the_come_decade | 0.573 | 50187 |
| overpopulation | 0.566 | 52908 |
| urban_sprawl | 0.565 | 60251 |
| water_scarcity | 0.559 | 48604 |
| human_population | 0.556 | 27420 |
| future_growth | 0.556 | 54989 |
| rise_cost | 0.556 | 80081 |
| a_change_climate | 0.553 | 77526 |